essay the internet

Essay On Internet for Students and Children

500+ words essay on internet.

We live in the age of the internet. Also, it has become an important part of our life that we can’t live without it. Besides, the internet is an invention of high-end science and modern technology . Apart from that, we are connected to internet 24×7. Also, we can send big and small messages and information faster than ever. In this essay on the Internet, we are going to discuss various things related to the internet.

Reach of Internet

It is very difficult to estimate the area that the internet cover. Also, every second million people remain connected to it with any problem or issue. Apart from that, just like all the things the internet also has some good and bad effect on the life of people. So the first thing which we have to do is learn about the good and bad effect of the internet.

Good effects of the internet mean all those things that the internet make possible. Also, these things make our life easier and safer.

Bad effects of the internet mean all those things that we can no longer do because of the internet. Also, these things cause trouble for oneself and others too.

You can access in any corner of the world. Also, it is very easy to use and manage. In today’s world, we cannot imagine our life without it.

Get the huge list of more than 500 Essay Topics and Ideas

Uses Of Internet

From the time it first came into existence until now the internet has completed a long journey. Also, during this journey, the internet has adopted many things and became more user-friendly and interactive. Besides, every big and small things are available on internet and article or material that you require can be obtainable from internet.

Tim Berners-Lee can be called one of the main father of internet as he invented/discovered the WWW (World Wide Web) which is used on every website. Also, there are millions of pages and website on the internet that it will take you years to go through all of them.

The Internet can be used to do different things like you can learn, teach, research, write, share, receive, e-mail , explore, and surf the internet.

Read Essay on Technology here

Convenience Due To Internet

Because of internet, our lives have become more convenient as compared to the times when we don’t have internet. Earlier, we have to stand in queues to send mails (letters), for withdrawing or depositing money, to book tickets, etc. but after the dawn of the internet, all these things become quite easy. Also, we do not have to waste our precious time standing in queues.

Also, the internet has contributed a lot to the environment as much of the offices (government and private), school and colleges have become digital that saves countless paper.

Although, there is no doubt that the internet had made our life easier and convenient but we can’t leave the fact that it has caused many bigger problems in the past. And with the speed, we are becoming addict to it a day in will come when it will become our basic necessity.

{ “@context”: “https://schema.org”, “@type”: “FAQPage”, “mainEntity”: [ { “@type”: “Question”, “name”: “What are the limitation of internet?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “Although internet can help you with anything but there are certain limitation to it. First of it does not have a physical appearance. Secondly, it does not have emotions and thirdly, it can’t send you to a place where you can’t go (physically).” } }, { “@type”: “Question”, “name”: “What is the ideal age for using internet?”, “acceptedAnswer”: { “@type”: “Answer”, “text”: “Nowadays everybody from small kids to adult is internet addicts. So it is difficult to decide an ideal age for using internet. However, according to researches using internet from an early age can cause problems in the child so internet usage of small children should be controlled or banned.” } } ] }

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The internet has transformed the world in ways that were unimaginable just a few decades ago. It has revolutionized how we communicate, access information, conduct business, and even how we entertain ourselves. The internet has become an integral part of our daily lives, and it’s hard to imagine a world without it.

At its core, the Internet is a vast network of interconnected computers and servers that allows for the exchange of information and data across the globe. It was originally conceived as a way for researchers and scientists to share information and collaborate on projects, but it has since evolved into a ubiquitous platform that has permeated every aspect of modern life.

One of the most significant impacts of the internet has been on communication. Before the internet, communication was limited by geography and time zones. People had to rely on physical mail, telephone calls, or face-to-face meetings to communicate with one another. The internet has made communication instantaneous and borderless. With the rise of email, instant messaging, video conferencing, and social media platforms, people can communicate with each other from anywhere in the world, at any time.

The internet has also revolutionized the way we access information. In the past, people had to rely on physical libraries, books, and other printed materials to access information. Today, with the internet, a wealth of information is available at our fingertips. From online encyclopedias to news websites, academic journals, and online databases, the internet has made it possible to access information on virtually any topic imaginable.

Another significant impact of the internet has been on the economy and the way we conduct business. The rise of e-commerce has made it possible for businesses to reach a global market and sell their products and services online. Online shopping has become increasingly popular, and many traditional brick-and-mortar stores have had to adapt to this new reality by establishing an online presence.

Furthermore, the internet has enabled the rise of the gig economy, where people can work as freelancers or contractors for multiple clients and projects simultaneously. This has created new opportunities for individuals to earn a living and has allowed businesses to access a global talent pool.

The internet has also had a profound impact on education. Online learning platforms and distance education programs have made it possible for students to access educational resources and attend classes from anywhere in the world. This has opened up new opportunities for people who may not have had access to traditional educational institutions due to geographical or financial constraints.

However, the internet has also brought with it a number of challenges and concerns. One of the biggest concerns is privacy and security. With so much personal information being shared online, there is a risk of data breaches and cyber attacks. Companies and individuals need to be vigilant about protecting their personal information and implementing strong cybersecurity measures.

Another concern is the spread of misinformation and fake news. The internet has made it easier for anyone to publish and share information, regardless of its accuracy or credibility. This has led to the proliferation of fake news and conspiracy theories, which can have serious consequences for individuals and society as a whole.

There is also concern about the impact of the internet on mental health and well-being. The constant exposure to social media and the pressure to curate a perfect online persona can lead to feelings of anxiety, depression, and low self-esteem. Additionally, the addictive nature of the internet and the constant stream of information can contribute to decreased attention spans and difficulty focusing on tasks.

Despite these challenges, the internet has proven to be an invaluable tool that has transformed the way we live, work, and interact with the world around us. It has opened up new opportunities for communication, education, and economic growth, and has made it possible for people to connect and collaborate in ways that were previously unimaginable.

As we move forward, it is important to address the challenges and concerns surrounding the internet while also embracing its potential for innovation and progress. This may involve implementing stronger cybersecurity measures, promoting digital literacy and critical thinking skills, and encouraging responsible and ethical use of the internet.

In conclusion, the internet has had a profound impact on virtually every aspect of modern life. It has revolutionized communication, education, business, and access to information. While it has brought with it a number of challenges and concerns, the internet has proven to be an invaluable tool that has transformed the way we live and interact with the world around us. As we continue to navigate the digital age, it is important to embrace the opportunities that the internet provides while also addressing its challenges and promoting responsible and ethical use.

Uses of Internet

In the 21st century, the internet has become an indispensable part of our daily lives, revolutionizing the way we connect, learn, work, and entertain ourselves. Its multifaceted uses have permeated every aspect of society, bringing about unprecedented convenience and opportunities.

Communication stands out as one of the internet’s most significant uses. Instant messaging, video calls, and social media platforms have transcended geographical barriers, allowing people to stay connected with friends and family across the globe. The internet has turned the world into a global village, fostering a sense of unity and understanding among diverse cultures.

Education has undergone a remarkable transformation due to the internet. Online courses, tutorials, and educational resources have made learning accessible to anyone with an internet connection. Students can pursue degrees, acquire new skills, and access a wealth of information at their fingertips, democratizing education and breaking down traditional barriers to learning.

The internet has also redefined the way we work. Remote collaboration tools, cloud computing, and virtual offices have become essential components of the modern workplace. This shift has not only increased efficiency but has also opened up new opportunities for freelancers and remote workers, contributing to the rise of the gig economy.

In the realm of information, the internet has become an unparalleled resource. Search engines allow us to access vast amounts of information on any topic imaginable. This democratization of information has empowered individuals, encouraging critical thinking and facilitating informed decision-making.

Entertainment has undergone a digital revolution, with streaming services, online gaming, and social media platforms providing endless avenues for amusement. The internet has not only transformed how we consume content but has also given rise to new forms of artistic expression and creativity.

In conclusion, the internet’s uses are multifaceted and far-reaching, impacting every facet of our lives. From connecting people across the globe to revolutionizing education, work, and entertainment, the internet continues to be a transformative force, shaping the present and influencing the future. As we navigate the digital landscape, it is essential to harness the potential of the internet responsibly, ensuring that it remains a force for positive change in the years to come.

Convenience Due to Internet

The advent of the internet has ushered in an era of unprecedented convenience, transforming the way we live, work, and interact with the world. In our fast-paced lives, the internet has become a cornerstone of efficiency and ease, offering a multitude of conveniences that have reshaped our daily routines.

Communication is perhaps the most obvious and impactful convenience brought about by the internet. Instant messaging, email, and social media platforms have revolutionized the way we connect with others. Whether it’s staying in touch with loved ones, collaborating with colleagues, or reaching out to friends across the globe, the internet has made communication instantaneous and seamless.

The convenience of online shopping has fundamentally altered the retail landscape. With just a few clicks, consumers can browse, compare prices, and purchase a vast array of products from the comfort of their homes. The rise of e-commerce platforms has not only made shopping more convenient but has also introduced the concept of doorstep delivery, saving time and eliminating the need for physical store visits.

Information retrieval has been transformed by the internet’s vast repository of knowledge. Search engines provide instant access to information on any conceivable topic, enabling users to quickly find answers, conduct research, and stay informed. This ease of information retrieval has empowered individuals, making knowledge more accessible than ever before.

The workplace has undergone a paradigm shift with the internet, enabling remote work and flexible schedules. Online collaboration tools, cloud computing, and virtual communication platforms have made it possible for individuals to work from virtually anywhere, reducing the constraints of traditional office settings and commuting.

Entertainment has also become infinitely more convenient through streaming services, online gaming, and digital media platforms. The ability to access a diverse range of content on-demand has given consumers unprecedented control over their entertainment choices, eliminating the need to adhere to fixed schedules or physical media.

In conclusion, the internet has woven a tapestry of convenience into the fabric of our lives. From streamlined communication and effortless online shopping to boundless information access and flexible work arrangements, the conveniences offered by the internet have become integral to our modern existence. As we navigate this digital landscape, the ongoing evolution of internet technologies continues to enhance and redefine the meaning of convenience in our interconnected world.

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Essay On Internet- FAQs

What is internet short essay.

In the modern time, internet has become is one of the most powerful and interesting tools all across the world. The Internet is a network of networks and collection of many services and resources which benefits us in various ways. Using internet we can access World Wide Web from any place.

What is Internet in 150 words?

The internet is the most recent man-made creation that connects the world. The world has narrowed down after the invention of the internet. It has demolished all boundaries, which were the barriers between people and has made everything accessible. The internet is helpful to us in different ways.

What is internet 100 words?

A. The internet, a recent man-made marvel, has brought the world closer. It has shattered all barriers and made everything accessible. The internet serves us in countless ways, from sharing information with people across the world to staying connected with our loved ones.

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Essay on Internet Uses For Students

500 + words internet essay.

The internet is described as a global network of computer systems interconnected and following the internet security protocol. However, have you ever considered why the internet is important? This 500+ Words Essay on internet advantages and disadvantages will help students ace essay writing during exams.

A combination of high-end science and advanced technology, the internet is a viral invention. Here, in an essay on the internet, students can learn about the uses and impact of the internet.

Why the Internet Is Important

The internet has undergone significant development from the time of its birth to the present. Over a period of time, the internet has become more interactive and user-friendly. It has also helped man in day-to-day transactions and interactions. The Internet is widely used for numerous functions such as learning, teaching, research, writing, sharing content or data, e-mails, job hunting, playing games, listening to music, watching videos, exploring and finally surfing the internet. Meanwhile, though it makes life easy for people, the internet also comes with a lot of pros and cons. Find the advantages and disadvantages of the internet from this essay.

Also read: History of Internet

Essay on Advantages of Internet

Read this essay on internet advantages to know the effects of using the internet. Look for the points mentioned below.

• The internet has helped reduce the usage of paper and paperwork to a large extent by computerising offices, schools, NGOs, industries and much more.
• Internet helps to provide updated information and news from all over the world
• Education, business and travel have been thriving with the growth of the Internet
• The internet is of high educational and entertainment value
• The internet makes access to public resources, libraries and textbooks much easier
• The internet makes it easy by reducing the time and energy taken to do work
• Work has become more efficient, quick and accurate
• Meetings and conferences are made easier with video calls and other brilliant tools

Apart from all these, as mentioned in the above paragraph on Internet uses, it helps carry out banking activities, exchange information, shop for various goods and more.

Essay on Internet Disadvantages

Despite the use of the internet and its positives, there are also some internet disadvantages. Continuous use of the internet can affect our lifestyle and health. Let us check out the disadvantages of the internet from this paragraph.

• Over-dependence on the internet can lead to many health problems
• People tend to spend more of their productive time doing nothing but browsing
• Even if the internet is now used extensively at work, overuse of the internet could lead to depression
• Quality time with friends and relatives is primarily reduced due to the use of the internet
• Cybercrime has also increased as internet security and privacy are compromised

Thus, we have seen the uses of the internet and its impact on students and working professionals. While we know that overuse of the internet should be avoided, we also have to acknowledge that the internet has still not been exploited to its full potential, despite its massive growth. In conclusion, we can state that to make internet use more comfortable and pleasurable, school students should be taught about the pros and cons of using the internet, thus ensuring that they can stand up against cybercrime and ensure safety.

Also Read: Social Media Essay | Essay on Women Empowerment | Essay On Constitution of India

Frequently asked Questions on Internet Essay

What is the internet.

The internet is a global system of interconnected computers and this system uses a standardised Internet Protocol suite for communication and sharing information.

What are the top 5 uses of the Internet?

The Internet is mostly used by people to send emails and to search on any topic. It can be used to download large files. People depend on the internet for electronic news and magazines these days. A lot of people, especially the young generation use it to play interactive games and for entertainment.

What is WiFi?

WiFi is the latest wireless technology used to connect computers, tablets, smartphones and other electronic devices to the internet.

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Essay on Internet

• Updated on  
• Oct 1, 2021

With throat-cutting competition, the difficulty level of various competitive exams has increased. Apart from domain-specific knowledge, questions framed in various exams evaluate critical thinking and decision-making ability, reading and writing skills, and  Logical and Analytical Reasoning . It thus has become important to focus on all the components equally. Just like the aforementioned topics, Essay writing is another crucial element of a wide range of entrance tests like IELTS , TOEFL , UPSC exams , etc. The topics for essays can range from Digital India and Economic issues to the role of Education and Women Empowerment . In this blog, we will share some samples of essays on the internet with you!

Uses of Internet Essay

Essay on Advantages and Disadvantages of Internet

Tips to Write an Essay on the Internet 

Here are some of the tips which you can follow in order to write an impressive essay on the internet. 

• Your essay on the internet should be clear and concise with appropriate information. 
• Research meticulously before you start writing an essay on the internet.
• Add both, advantages and disadvantages of using it.  
• Write the content in paragraphs. 
• Avoid the use of jargons and slangs. 
• Keep the tone formal. 
• You can also add statistical data.

The internet is a worldwide network of computer networks that connects millions of people in over 150 countries. Using the internet, you can send emails, chat with people, and obtain information on different variety of subjects. 

Internet can be used for multiple purposes including finding information, communicate with people, shop online, manage your finances, etc.

The first workable prototype of internet came in the late 1960s with creation of ARPANET or the Advanced Research Projects Agency Network. ARPANET used packet switching to allow multiple computers to communicate on a single network.

In order to complete your application process for studying abroad, apart from the basic documents, you also need to submit a personal essay / statement of purpose as it elucidates your motive to take admission in a particular course and university and also shed light on your career goals. It thus needs to be impressive! Take the assistance from the experts at Leverage Edu who will help you write an SOP that will highlight your achievements, purpose and future goals in a very lucid yet impeccable way!

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Essay on Internet

Here we have shared the Essay on Internet in detail so you can use it in your exam or assignment of 150, 250, 400, 500, or 1000 words.

You can use this Essay on Internet for any assignment or project whether you are in school (class 10th or 12th), college, or preparing for answer writing in competitive exams. 

Topics covered in this article.

Essay on Internet in 150 words

Essay on internet in 250-400 words, essay on internet in 500-1000 words.

The Internet has revolutionized communication, information access, and business operations. It connects people globally, enabling faster and more convenient communication through email, instant messaging, and social media. It democratizes information, providing vast knowledge and resources at our fingertips. The Internet has also transformed businesses, allowing them to reach a global customer base through e-commerce. However, challenges like online privacy and the digital divide remain. Privacy concerns require protection measures, and efforts are needed to bridge the gap in Internet access based on geography and socioeconomic factors. Despite these challenges, the Internet continues to shape our lives, offering immense potential for positive change and advancement. It is a powerful tool that connects people, empowers individuals with knowledge, and provides opportunities for businesses to thrive in the digital era.

The Internet has become an indispensable part of our lives, transforming the way we communicate, access information, and conduct business. It is a vast network of interconnected computers and servers that enables the sharing and exchange of data worldwide.

One of the most significant impacts of the Internet is its ability to revolutionize communication. With the advent of email, instant messaging, and social media platforms, communication has become faster, more convenient, and more accessible. People can connect with each other instantly, regardless of geographical distances. Social media platforms have also provided new avenues for individuals to express themselves, share ideas, and build virtual communities.

Moreover, the Internet has democratized access to information. With a few clicks, anyone can access a wealth of knowledge on almost any topic. Online libraries, databases, and search engines have made information easily accessible, empowering individuals to learn, research, and stay informed. This unprecedented access to information has transformed education, enabling online learning platforms and resources to reach learners across the globe.

In addition to communication and information access, the Internet has revolutionized business operations. E-commerce has witnessed significant growth, allowing businesses to reach a global customer base and conduct transactions online. Online platforms have opened up new opportunities for entrepreneurship and innovation, enabling small businesses to thrive and compete on a global scale.

However, the Internet also poses challenges. Online privacy and security have become major concerns, with the risk of data breaches, identity theft, and cybercrime. Safeguarding personal information and practicing responsible online behavior is essential to protect oneself in the digital realm.

Furthermore, the digital divide remains a significant issue. While the Internet has connected billions of people worldwide, there are still disparities in access based on geography, income, and socioeconomic factors. Bridging this divide is crucial to ensure equal opportunities for all.

In conclusion, the Internet has revolutionized communication, information access, and business operations. It has connected people globally, democratized knowledge, and opened up new opportunities. However, challenges like online privacy and the digital divide need to be addressed. The Internet is a powerful tool that has transformed our lives and society, and its continued advancement requires responsible use and efforts to ensure inclusivity and security in the digital age.

Title: The Internet – Connecting the World in the Digital Age

Introduction :

The Internet has emerged as one of the most transformative technologies in human history. It has revolutionized communication, transformed information access, and reshaped the way we conduct business. This essay explores the origins and evolution of the Internet, its impact on communication and information access, the role of the Internet in business and entrepreneurship, as well as its social and cultural implications.

Origins and Evolution of the Internet

The Internet’s origins can be traced back to the 1960s when it was developed as a research project by the United States Department of Defense. Initially known as ARPANET, it was designed to create a decentralized network that could withstand a nuclear attack. Over time, the Internet expanded beyond its military origins, becoming a global network of interconnected computers and servers.

Communication Revolution

The Internet has transformed communication, making it faster, more convenient, and more accessible than ever before. Email, instant messaging, and social media platforms have revolutionized the way people connect and interact. Distance is no longer a barrier, and individuals can communicate in real time across continents. Social media platforms, such as Facebook, Twitter, and Instagram, have provided new avenues for self-expression, networking, and building virtual communities.

Information Access and Knowledge Sharing

The Internet has democratized access to information, fundamentally changing the way we seek and share knowledge. Online libraries, databases, and search engines have made a vast amount of information easily accessible to anyone with an Internet connection. Websites, blogs, and online forums serve as platforms for individuals to share their expertise, experiences, and opinions. Online educational platforms have also emerged, offering courses and resources that reach learners across the globe, revolutionizing education and lifelong learning.

The Internet and Business

The Internet has transformed the business landscape, offering new opportunities and challenges. E-commerce has witnessed tremendous growth, allowing businesses to reach a global customer base and conduct transactions online. Online marketplaces, such as Amazon and eBay, have revolutionized retail, providing convenience and variety to consumers. Moreover, the Internet has enabled small businesses and entrepreneurs to compete on a global scale, as they can establish an online presence and reach customers without the need for physical storefronts.

Entrepreneurship and Innovation

The Internet has fueled entrepreneurship and innovation, empowering individuals to turn their ideas into viable businesses. Online platforms and marketplaces have facilitated the launch of startups, creating a fertile ground for innovation and creativity. Crowdfunding platforms have democratized access to funding, allowing entrepreneurs to secure capital from a global community of investors. The Internet has also facilitated collaboration and knowledge sharing among entrepreneurs, enabling them to learn from each other and form strategic partnerships.

Social and Cultural Implications

The Internet has had profound social and cultural implications. It has connected people from diverse backgrounds and cultures, fostering a global exchange of ideas and perspectives. Social media has become a powerful tool for social and political movements, enabling grassroots activism and mobilization. However, the Internet has also given rise to challenges such as cyberbullying, misinformation, and the erosion of privacy. Society is grappling with issues related to digital citizenship, online ethics, and the balance between freedom of expression and responsible behavior.

Conclusion :

The Internet has revolutionized communication, transformed information access, and reshaped the business landscape. It has connected people globally, facilitated knowledge sharing, and fostered entrepreneurship and innovation. However, challenges related to privacy, cybersecurity, and the digital divide remain. As the Internet continues to evolve, it is crucial to strike a balance between the opportunities it presents and the responsibilities it entails. The Internet has become an integral part of our lives, and navigating its impact requires thoughtful engagement, ethical practices, and continuous adaptation to the ever-changing digital landscape.

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The Internet has turned our existence upside down. It has revolutionized communications, to the extent that it is now our preferred medium of everyday communication. In almost everything we do, we use the Internet. Ordering a pizza, buying a television, sharing a moment with a friend, sending a picture over instant messaging. Before the Internet, if you wanted to keep up with the news, you had to walk down to the newsstand when it opened in the morning and buy a local edition reporting what had happened the previous day. But today a click or two is enough to read your local paper and any news source from anywhere in the world, updated up to the minute.

The Internet itself has been transformed. In its early days—which from a historical perspective are still relatively recent—it was a static network designed to shuttle a small freight of bytes or a short message between two terminals; it was a repository of information where content was published and maintained only by expert coders. Today, however, immense quantities of information are uploaded and downloaded over this electronic leviathan, and the content is very much our own, for now we are all commentators, publishers, and creators.

In the 1980s and 1990s, the Internet widened in scope to encompass the IT capabilities of universities and research centers, and, later on, public entities, institutions, and private enterprises from around the world. The Internet underwent immense growth; it was no longer a state-controlled project, but the largest computer network in the world, comprising over 50,000 sub-networks, 4 million systems, and 70 million users.

The emergence of  web 2.0  in the first decade of the twenty-first century was itself a revolution in the short history of the Internet, fostering the rise of social media and other interactive, crowd-based communication tools.

The Internet was no longer concerned with information exchange alone: it was a sophisticated multidisciplinary tool enabling individuals to create content, communicate with one another, and even escape reality. Today, we can send data from one end of the world to the other in a matter of seconds, make online presentations, live in parallel “game worlds,” and use pictures, video, sound, and text to share our real lives, our genuine identity. Personal stories go public; local issues become global.

The rise of the Internet has sparked a debate about how online communication affects social relationships. The Internet frees us from geographic fetters and brings us together in topic-based communities that are not tied down to any specific place. Ours is a networked, globalized society connected by new technologies. The Internet is the tool we use to interact with one another, and accordingly poses new challenges to privacy and security.

Information technologies have wrought fundamental change throughout society, driving it forward from the industrial age to the networked era. In our world, global information networks are vital infrastructure—but in what ways has this changed human relations? The Internet has changed business, education, government, healthcare, and even the ways in which we interact with our loved ones—it has become one of the key drivers of social evolution.

The changes in social communication are of particular significance. Although analogue tools still have their place in some sectors, new technologies are continuing to gain ground every day, transforming our communication practices and possibilities—particularly among younger people. The Internet has removed all communication barriers. Online, the conventional constraints of space and time disappear and there is a dizzyingly wide range of communicative possibilities. The impact of social media applications has triggered discussion of the “new communication democracy.”

The development of the Internet today is being shaped predominantly by instant, mobile communications. The mobile Internet is a fresh revolution. Comprehensive Internet connectivity via smartphones and tablets is leading to an increasingly mobile reality: we are not tied to any single specific device, and everything is in the cloud.

People no longer spend hours gazing at a computer screen after work or class; instead, they use their mobile devices to stay online everywhere, all the time.

Anyone failing to keep abreast of this radical change is losing out on an opportunity.

Communication Opportunities Created by the Internet

The Internet has become embedded in every aspect of our day-to-day lives, changing the way we interact with others. This insight struck me when I started out in the world of social media. I created my first social network in 2005, when I was finishing college in the United States—it had a political theme. I could already see that social media were on the verge of changing our way of communicating, helping us to share information by opening up a new channel that cuts across conventional ones.

That first attempt did not work out, but I learned from the experience.I get the feeling that in many countries failure is punished too harshly—but the fact is, the only surefire way of avoiding failure is to do nothing at all. I firmly believe that mistakes help you improve; getting it wrong teaches you how to get it right. Creativity, hard work, and a positive attitude will let you achieve any goal.

In 2006, after I moved to Spain, I created Tuenti. Tuenti (which, contrary to widespread belief, has nothing to do with the number 20; it is short for “tu entidad,” the Spanish for “your entity”) is a social communication platform for genuine friends. From the outset, the idea was to keep it simple, relevant, and private. That’s the key to its success.

I think the real value of social media is that you can stay in touch from moment to moment with the people who really matter to you. Social media let you share experiences and information; they get people and ideas in touch instantly, without frontiers. Camaraderie, friendship, and solidarity—social phenomena that have been around for as long as humanity itself—have been freed from the conventional restrictions of space and time and can now thrive in a rich variety of ways.

Out of all the plethora of communication opportunities that the Internet has opened up, I would highlight the emergence of social media and the way they have intricately melded into our daily lives. Social media have changed our personal space, altering the way we interact with our loved ones, our friends, and our sexual partners; they have forced us to rethink even basic daily processes like studying and shopping; they have affected the economy by nurturing the business startup culture and electronic commerce; they have even given us new ways to form broad-based political movements.

The Internet and Education

The Internet has clearly impacted all levels of education by providing unbounded possibilities for learning. I believe the future of education is a networked future. People can use the Internet to create and share knowledge and develop new ways of teaching and learning that captivate and stimulate students’ imagination at any time, anywhere, using any device. By connecting and empowering students and educators, we can speed up economic growth and enhance the well-being of society throughout the world. We should work together, over a network, to build the global learning society.

The network of networks is an inexhaustible source of information. What’s more, the Internet has enabled users to move away from their former passive role as mere recipients of messages conveyed by conventional media to an active role, choosing what information to receive, how, and when. The information recipient even decides whether or not they want to stay informed.

We have moved on from scattergun mass communication to a pattern where the user proactively selects the information they need.

Students can work interactively with one another, unrestricted by physical or time constraints. Today, you can use the Internet to access libraries, encyclopedias, art galleries, news archives, and other information sources from anywhere in the world: I believe this is a key advantage in the education field. The web is a formidable resource for enhancing the process of building knowledge.

I also believe the Internet is a wonderful tool for learning and practicing other languages—this continues to be a critical issue in many countries, including Spain, and, in a globalized world, calls for special efforts to improve.

The Internet, in addition to its communicative purposes, has become a vital tool for exchanging knowledge and education; it is not just an information source, or a locus where results can be published, it is also a channel for cooperating with other people and groups who are working on related research topics.

The Internet and Privacy and Security

Another key issue surrounding Internet use is privacy. Internet users are becoming more sensitive to the insight that privacy is a must-have in our lives.

Privacy has risen near the top of the agenda in step with an increasing awareness of the implications of using social media. Much of the time, people started to use social media with no real idea of the dangers, and have wised up only through trial and error—sheer accident, snafus, and mistakes. Lately, inappropriate use of social media seems to hit the headlines every day. Celebrities posting inappropriate comments to their profiles, private pictures and tapes leaked to the Internet at large, companies displaying arrogance toward users, and even criminal activities involving private-data trafficking or social media exploitation.

All this shows that—contrary to what many people seem to have assumed—online security and privacy are critical, and, I believe, will become even more important going forward. And, although every user needs privacy, the issue is particularly sensitive for minors—despite attempts to raise their awareness, children still behave recklessly online.

I have always been highly concerned about privacy. On Tuenti, the default privacy setting on every user account is the highest available level of data protection. Only people the user has accepted as a “friend” can access their personal details, see their telephone number, or download their pictures. This means that, by default, user information is not accessible to third parties. In addition, users are supported by procedures for reporting abuse. Any user can report a profile or photograph that is abusive, inappropriate, or violates the terms of use: action is taken immediately. Security and privacy queries are resolved within 24 hours.

We need to be aware that different Internet platforms provide widely different privacy experiences. Some of them are entirely open and public; no steps whatsoever are taken to protect personal information, and all profiles are indexable by Internet search engines.

On the other hand, I think the debate about whether social media use should be subject to an age requirement is somewhat pointless, given that most globally active platforms operate without age restrictions. The European regulatory framework is quite different from the United States and Asian codes. Companies based in Europe are bound by rigorous policies on privacy and underage use of social media. This can become a competitive drawback when the ground rules do not apply equally to all players—our American and Japanese competitors, for instance, are not required to place any kind of age constraint on access.

Outside the scope of what the industry or regulators can do, it is vital that users themselves look after the privacy of their data. I believe the information is the user’s property, so the user is the only party entitled to control the collection, use, and disclosure of any information about him or herself. Some social networks seem to have forgotten this fact—they sell data, make it impossible to delete an account, or make it complex and difficult to manage one’s privacy settings. Everything should be a lot simpler and more transparent.

Social networks should continue to devote intense efforts to developing self-regulation mechanisms and guidelines for this new environment of online coexistence to ensure that user information is safe: the Internet should be a space for freedom, but also for trust. The main way of ensuring that social media are used appropriately is awareness. But awareness and user education will be of little use unless it becomes an absolute requirement that the privacy of the individual is treated as a universal value.

The Internet and Culture

As in the sphere of education, the development of information and communication technologies and the wide-ranging effects of globalization are changing what we are, and the meaning of cultural identity. Ours is a complex world in which cultural flows across borders are always on the rise. The concepts of space, time, and distance are losing their conventional meanings. Cultural globalization is here, and a global movement of cultural processes and initiatives is underway.

Again, in the cultural arena, vast fields of opportunity open up thanks to online tools. The possibilities are multiplied for disseminating a proposal, an item of knowledge, or a work of art. Against those doomsayers who warn that the Internet is harming culture, I am radically optimistic. The Internet is bringing culture closer to more people, making it more easily and quickly accessible; it is also nurturing the rise of new forms of expression for art and the spread of knowledge. Some would say, in fact, that the Internet is not just a technology, but a cultural artifact in its own right.

In addition to its impact on culture itself, the Internet is enormously beneficial for innovation, which brings progress in all fields of endeavor—the creation of new goods, services, and ideas, the advance of knowledge and society, and increasing well-being.

The Internet and Personal Relationships

The Internet has also changed the way we interact with our family, friends, and life partners. Now everyone is connected to everyone else in a simpler, more accessible, and more immediate way; we can conduct part of our personal relationships using our laptops, smart phones, and tablets.

The benefits of always-online immediate availability are highly significant. I would find a long-distance relationship with my life partner or my family unthinkable without the communication tools that the network of networks provides me with. I’m living in Madrid, but I can stay close to my brother in California. For me, that is the key plus of the Internet: keeping in touch with the people who really matter to me.

As we have seen, the Internet revolution is not just technological; it also operates at a personal level, and throughout the structure of society. The Internet makes it possible for an unlimited number of people to communicate with one another freely and easily, in an unrestricted way.

Just a century ago, this was unimaginable. An increasing number of couples come together, stay together, or break up with the aid—or even as a consequence—of social communication tools. There are even apps and social networks out there that are purposely designed to help people get together for sex.

Of course, when compared to face-to-face communication, online communication is severely limited in the sense impressions it can convey (an estimated 60 to 70 percent of human communication takes place nonverbally), which can lead to misunderstandings and embarrassing situations—no doubt quite a few relationships have floundered as a result. I think the key is to be genuine, honest, and real at all times, using all the social media tools and their many advantages. Let’s just remember that a liar and a cheat online is a liar and a cheat offline too.

The Internet and Social and Political Activism

Even before the emergence of social media, pioneering experiments took place in the political sphere—like  Essembly , a project I was involved in. We started to create a politically themed platform to encourage debate and provide a home for social and political causes; but the social networks that have later nurtured activism in a new way were not as yet in existence.

Research has shown that young people who voice their political opinions on the Internet are more inclined to take part in public affairs. The better informed a citizen is, the more likely they will step into the polling booth, and the better they will express their political liberties. The Internet has proved to be a decisive communication tool in the latest election campaigns. It is thanks to the Internet that causes in the social, welfare, ideological, and political arenas have been spoken up for and have won the support of other citizens sharing those values—in many cases, with a real impact on government decision making.

The Internet and Consumer Trends

New technologies increase the speed of information transfer, and this opens up the possibility of “bespoke” shopping. The Internet offers an immense wealth of possibilities for buying content, news, and leisure products, and all sorts of advantages arise from e-commerce, which has become a major distribution channel for goods and services. You can book airline tickets, get a T-shirt from Australia, or buy food at an online grocery store. New applications support secure business transactions and create new commercial opportunities.

In this setting, it is the consumer who gains the upper hand, and the conventional rules and methods of distribution and marketing break down. Consumers’ access to information multiplies, and their reviews of their experience with various products and services take center stage. Access to product comparisons and rankings, user reviews and comments, and recommendations from bloggers with large followings have shaped a new scenario for consumer behavior, retail trade, and the economy in general.

The Internet and the Economy

The Internet is one of the key factors driving today’s economy. No one can afford to be left behind. Even in a tough macroeconomic framework, the Internet can foster growth, coupled with enhanced productivity and competitiveness.

The Internet provides opportunities for strengthening the economy: How should we tackle them? While Europe—and Spain specifically—are making efforts to make the best possible use of the Internet, there are areas in which their approach needs to improve. Europe faces a major challenge, and risks serious failure if it lets the United States run ahead on its own. The European Commission, in its “Startup Manifesto,” suggests that the Old World be more entrepreneur-friendly—the proposal is backed by companies like Spotify and Tuenti. Europe lacks some of the necessary know-how. We need to improve in financial services and in data privacy, moving past the obsolete regulatory framework we now have and making a bid to achieve a well-connected continent with a single market for 4G mobile connections. We need to make it easier to hire talent outside each given country.

The use of e-commerce should be encouraged among small and medium-sized enterprises so that growth opportunities can be exploited more intensely. Following the global trend of the Internet, companies should internalize their online business. And much more emphasis should be placed on new technologies training in the academic and business spheres.

Modern life is global, and Spain is competing against every other country in the world. I do not believe in defeatism or victim culture. Optimism should not translate into callousness, but I sincerely believe that if you think creatively, if you find a different angle, if you innovate with a positive attitude and without fear of failure, then you can change things for the better. Spain needs to seize the moment to reinvent itself, grasping the opportunities offered up by the online world. We need to act, take decisions, avoid “paralysis through analysis.” I sometimes feel we are too inclined to navel-gazing: Spain shuts itself off, fascinated with its own contradictions and local issues, and loses its sense of perspective. Spain should open up to the outside, use the crisis as an opportunity to do things differently, in a new way—creating value, underlining its strengths, aspiring to be something more.

In the United States, for instance, diving headfirst into a personal Internet-related startup is regarded as perfectly normal. I’m glad to see that this entrepreneurial spirit is beginning to take hold here as well. I believe in working hard, showing perseverance, keeping your goals in view, surrounding yourself with talent, and taking risks. No risk, no success. We live in an increasingly globalized world: of course you can have a Spain-based Internet startup, there are no frontiers.

We need to take risks and keep one step ahead of the future. It is precisely the most disruptive innovations that require radical changes in approach and product, which might not even find a market yet ready for them—these are the areas providing real opportunities to continue being relevant, to move forward and “earn” the future, creating value and maintaining leadership. It is the disruptive changes that enable a business, product, or service to revolutionize the market—and, particularly in the technology sector, such changes are a necessity.

The Future of Social Communications, Innovation, Mobile Technologies, and Total Connectivity in Our Lives

The future of social communications will be shaped by an  always-online  culture.  Always online  is already here and will set the trend going forward. Total connectivity, the Internet you can take with you wherever you go, is growing unstoppably. There is no turning back for global digitalization.

Innovation is the driving force of growth and progress, so we need to shake up entrenched processes, products, services, and industries, so that all of us together—including established businesses, reacting to their emerging competitors—can move forward together.

Innovation is shaping and will continue to shape the future of social communications. It is already a reality that Internet connections are increasingly mobile. A survey we conducted in early 2013 in partnership with Ipsos found that 94 percent of Tuenti users aged 16 to 35 owned cell phones, 84 percent of users connected to the Internet using their phones, and 47 percent had mobile data subscriptions for connecting to the Internet. A total of 74 percent of users reported connecting to the Internet from their phone on a daily basis, while 84 percent did so at least weekly. Only 13 percent did not use their phones to connect to the Internet, and that percentage is decreasing every day.

Mobile Internet use alters the pattern of device usage; the hitherto familiar ways of accessing the Internet are changing too. The smartphone activities taking up the most time (over three hours a day) include instant messaging (38%), social media use (35%), listening to music (24%), and web browsing (20%). The activities taking up the least time (under five minutes a day) are: SMS texting (51%), watching movies (43%), reading and writing e-mail (38%), and talking on the phone (32%). Things are still changing.

Smartphones are gaining ground in everyday life. Many of the purposes formerly served by other items now involve using our smartphones. Some 75 percent of young people reported having replaced their MP3 player with their phone, 74 percent use their phone as an alarm clock, 70 percent use it as their camera, and 67 percent use it as their watch.

We have been observing these shifts for a while, which is why we decided to reinvent ourselves by placing smartphones at the heart of our strategy. I want to use this example as a showcase of what is happening in the world of social communication and the Internet in general: mobile connectivity is bringing about a new revolution. Tuenti is no longer just a social network, and social media as a whole are becoming more than just websites. The new Tuenti provides native mobile apps for Android, iPhone, Blackberry, Windows Phone, as well as the Firefox OS app and the mobile version of the website, m.tuenti.com. Tuenti is now a cross-platform service that lets users connect with their friends and contacts from wherever they may be, using their device of choice. A user with a laptop can IM in real time with a user with a smartphone, and switch from one device to another without losing the thread of the conversation. The conversations are in the cloud, so data and contacts are preserved independently of the devices being used. This means the experience has to be made uniform across platforms, which sometimes involves paring down functionalities, given the processing and screen size limitations of mobile devices. Facebook, Twitter, Instagram, LinkedIn, and so on are all evolving to become increasingly cross-platform experiences. But Tuenti is the first social network that has also developed its own Mobile Virtual Network Operator (MVNO)—the company is an Internet service provider over the mobile network. Tuenti is an MVNO with a social media angle, and this may be the future path of telecommunications.

Social media are evolving to become something more, and innovation must be their hallmark if they are to continue being relevant. Tuenti now embraces both social communications and telecom services provision, offering value added by letting you use the mobile app free of charge and without using up your data traffic allowance, even if you have no credit on your prepaid card—this is wholly revolutionary in the telecom sector. The convergence of social media with more traditional sectors is already bringing about a new context for innovation, a new arena for the development and growth of the Internet.

Just about everything in the world of the Internet still lies ahead of us, and mobile communications as we know them must be reinvented by making them more digital. The future will be shaped by innovation converging with the impact of mobility. This applies not just to social media but to the Internet in general, particularly in the social communications field. I feel that many people do not understand what we are doing and have no idea of the potential development of companies like ours at the global level. Right now, there may be somebody out there, in some corner of the world, developing the tool that will turn the Internet upside down all over again. The tool that will alter our day-to-day life once more. Creating more opportunities, providing new benefits to individuals, bringing more individual and collective well-being. Just ten years ago, social media did not exist; in the next ten years, something else radically new will emerge. There are many areas in which products, processes, and services can be improved or created afresh. The future is brimming with opportunities, and the future of the Internet has only just begun.

Related publications

• The Impact of the Internet on Society: A Global Perspective
• Implications of the Revolution in Work and Family
• Vision 2020+: A Future to Be Built

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Essay on Internet

We live in a world where everything happening around us has come to be dependent on the internet. Anything that we want to know is not just a click away. The Internet, sometimes also called the "Net", is a worldwide system of computer networks. It is used by many as the primary source of information consumption and has fueled the growth of social media and content sharing. Here are a few sample essays on the topic ‘Internet’.

100 Words Essay on Internet

The Internet is considered the greatest invention of human history that has changed the daily lifestyle of human beings. The Internet was first officially launched on January 1, 1983, and since then it has been developed rapidly. The Internet is an incredible medium for the transfer of data, news, images, information etc.Internet has made it easier for people to talk to anyone around the globe via phone calls and video calls in a matter of seconds.

The internet became a crucial part of every field whether it is medicine, engineering, research,. It also gained huge momentum in the field of education during the pandemic. Students were unable to go to school because of COVID-19 pandemic and it was only because of the internet that the students were connected to the teachers. Information technology is gaining a huge momentum day by day and the internet is the foundation of this cutting-edge time.

200 Words Essay on Internet

The father of the internet is known to be Vint Cerf. In 1969, he successfully connected a few computers in a room and named that network ARPAnet since he was the governor of ARPA (Advance Research Project Agency), a government-funded organisation.

The Internet has become a necessity for school students, college students, working men and women, etc. With the help of the internet, we can gather information about any place on this globe within seconds and without leaving our home. Today most of the work is handled through the internet and most workers work just by sitting in their homes with the help of the internet.

The Internet is an important asset for everyone and it is beneficial for them but at the same time. Although, excessive use of the internet may be harmful also because as technology is progressing, the rate of cybercrime is also increasing day by day. Anyone on the internet may become the target of cybercriminals. Students also become the targets sometimes because their private information can be released on the internet and as a result, students face a lot of distress. As long as we follow proper guidelines for the use of the internet we will remain safe.

500 Words Essay on Internet

We live in the era of technology and the internet is the one that binds every technology together and it is further advancing day by day. We can’t think of living without an internet connection for a single day. The internet has billions of uses nowadays, just a single click can access any information in this world. It has made human life very simple and easier. The internet has connected every small device. We can control the air conditioner, washing machine, television, lighting, etc from any corner of the world with the help of the internet.

Internet in Education

Education is a necessity of every human being and it became a lot easier with the use of the internet. During the pandemic, the internet played a crucial role in the continuation of education of the students for the whole two years. Students can gain any knowledge with the help of the internet and can also learn from the teacher of their own choice. The Internet is so developed in the field of education to an extent where an AI is capable of solving any doubts of students.

The internet is an important asset for students but at the same time, it can also harm them or misguide them from their path. If students don't pay attention to their online security, they risk being the target of cyberbullies.

Internet in Business

As agriculture is known as the backbone of the Indian economy, the entrepreneur is also known as the heart of the economy. Every country is investing in business for their profits and the internet plays an essential role in it. The internet records everything happening in business and with the help of that data, businessmen understand the situation of the market. People invest in their businesses using the internet and control their work just by sitting on their chairs and it is possible because of the internet.

Internet in Defence

The Internet is also playing an important role in the defence sector of every country. The Internet connects all government agencies across the globe and helps to maintain peace. It saves a lot of time because any little issue between the countries can be solved just at their offices through video conferencing. Defence satellites work all time and keep eye on enemy activities and transmit them to the defence sector. Even the armoury can also be remotely accessed with the internet which can save the life of the soldiers in harsh weather conditions or the areas where troops can’t go in case of emergencies.

Use of Internet in Daily Life

People travel from one place to another for various purposes and in some cases, they are not aware of the geography of the locality due to which they got lost but with the use of the internet they can reach the destination without any problem.

With the use of the internet, students can solve their doubts within minutes or seconds.

The Internet connects family members even if they are not living together.

The Internet is an important source of entertainment for humans, like watching movies, news web series, cartoons, anime.

In the police department, the internet is used to catch cybercriminals.

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Essays About The Internet: Top 5 Examples and Prompts

Are you writing essays about the internet? Then, read our guide, including interesting essay examples and writing prompts to get you started. 

The internet is a vast network of billions of computers connecting people virtually worldwide. When you connect to the internet or go online, you can access loads of information and communicate with people from millions of miles away.

The internet has presented groundbreaking benefits to society, such as global, real-time communication, more accessible access to information, and more source of leisure. However, when in the wrong hands, the internet can be a dangerous neighborhood that bustles with criminal opportunities for thieves, stalkers, and murderers.

For inspiration in writing an article about the internet, read our round-up of thought-provoking essay examples and prompts. 

1. Forty Years Of The Internet: How The World Changed Forever by Oliver Burkeman

2. who owns the internet by elizabeth kolbert, 3. a nation of echo chambers: how the internet closed off the world by will leitch, 4. the rise of memes in the internet world by lennlee keep, 5. how to fight lies, tricks and chaos online by adi robertson, 10 writing prompts on essays about the internet, 1. the internet’s benefits to students, 2. dangers of the internet on the youth, 3. how the internet changed how we date, 4. how the internet revolutionized business, 5. safeguarding your privacy online, 6. effects of internet slang on literacy, 7. are bloggers replacing journalists, 8. the internet of things, 9. metaverse: the future of the internet, 10. creating communities online.

“It’s impossible to say for certain when the internet began, mainly because nobody can agree on what, precisely, the internet is. (This is only partly a philosophical question: it is also a matter of egos since several of the people who made key contributions are anxious to claim the credit.”

Burkeman treads the history of the internet through the lens of those who claim to have contributed to its development and arrival on the tech scene. His nostalgic journey interestingly shows how the internet emerged glacially slow, heading toward the dotcom boom not until decades after a successful computer communication experiment initially intended to establish US defense. You might also be interested in these essays about computers .

“The Internet revolution has, indeed, sent heads rolling, as legions of bookstore owners, music critics, and cirrhotic editors can attest. Instead of becoming more egalitarian, the country has become less so: the gap between America’s rich and poor grows ever wider.”

Once envisioned to democratize power to the people, the Internet disappoints as it continues to concentrate power on a few, deepening inequality with graver concerns, such as piracy and fake news.

“We now only have to interact with people who agree with us; if I use Twitter as my primary news source, as so many people do, I can carefully curate my feed to exclude anyone who disagrees with me about anything. (And if someone who slips in there who does, I can call them a horrible person.).”

The essay laments how the internet has isolated us into our echo chambers, leaving our beliefs unchallenged and stripped of world-proven facts on matters as evident as vaccination. Furthermore, because we addictively feed into the positive validation of people who share our opinions, it becomes easy to demonize those who don’t. As such, our society deals with more conspiracy theory believers and spreaders. 

“The internet is still in some ways the Wild West, and putting your meme and your art out in the world requires a certain amount of faith in humanity, diligence and maybe a good rights attorney on retainer.”

An integral part of social media, memes may not mean what we know them to be in the internet age. Instead, evolutionary biologist Richard Dawkins contends that memes are cultural ideas and customs passed on if worthy of being “meme”-icked. If we go by this definition, memes could date back to early civilizations and even be found in the animal kingdom.

“This kind of viral half-truth is part of the fabric of today’s internet, and the kind of anger it inspired has been turned into a dangerous commodity. It’s cynically exploited by businesses for ad-supported “fake news,” by scammers raising money online, and by authoritarian governments to spread hate and fear.”

The widespread falsehoods being peddled over the internet requires netizens’ heightened vigilance. But Robertson recognizes the struggle always to be vigilant, drawing up a list of practical techniques everyone can use to combat fake news. 

Share your insights and experience on how the internet has expanded your knowledge in a subject matter and helped you complete your academic papers. In addition, you can compare these perks against the difficulties students and researchers had to endure before the birth of the internet. 

Anyone can be a victim on the internet, but kids are most vulnerable to cyberattacks and offenses. So first, cite the most common concerns kids can encounter while surfing online. A few examples you can include are cyberbullying, phishing, predators, and scams. Next, offer kids and parents some helpful safety tips to avoid falling prey to these online traps. 

Critics hate the internet for making dating among the youth an easy game that heavily emphasizes sexual and physical attractions. Do you agree with them? Discuss your feelings on this point. You can also look into how the internet has strengthened relationships, especially long-distance ones, through communication.

In your essay, take a deep dive into how e-commerce has forever changed how we do business, from how we market our products to the skills of employees now sought. Then, lay down the risks and opportunities in e-commerce. Finally, provide expert tips on how businesses, especially small and medium enterprises, can be competitive by conquering the risks online while optimizing profits through the opportunities of a digitally borderless world. 

Privacy is a contentious issue over the internet. Laws on privacy have turned more complex and become doubly challenging to enforce. In this prompt, hammer down the essence of maintaining privacy on the internet. Then, taking off from privacy experts’ recommendations, offer your audience critical steps to ensure they protect their private space and their data when online.

Internet slang is an evolving language created for people to communicate online easily. It has drawn extensive debates on its effects on the future of language and literacy. In your essay, write your insights on internet slang’s negative and positive effects on shaping students’ linguistic views and skills. If you’re a linguistics geek, you might also be interested in discovering how different languages created their internet lingos.

Can blogging meet journalistic standards and be a reliable source of truth? Journalists do not think so, but some contend that blogging is a form of citizen journalism that can legitimately put light on different angles of an event or situation. Answer this question yourself through your essay and dig deeper into the pros and cons of blogs as a source of news. 

The Internet of Things (IoT) — the interconnectivity of devices made possible by the internet — is poised to be the next most significant technological advancement. When writing this essay, explain what part IOT can play in redefining the future. Then, cite its potential real-world applications and how it can revolutionize industries. 

Write about the metaverse and its promises of raising the online experience to the next level. Talk about what your readers can expect and what activities they can do once they enter the metaverse. Then, consider tackling the technologies making the metaverse a reality and the cost of “living” in this virtual space. You may also go so far as to mull over the potential problems the metaverse poses, such as promoting an improved alternate world to escape from reality. 

One of the most significant social benefits of the internet is finding new friends who share the same interests. We can engage with them directly or through forum discussions that strengthen our knowledge of our interests. For this essay, write about online groups and communities you are part of and share how these are helping you learn more while also challenging you to think more deeply to develop your insights and analysis. Want your essay to leave a good, lasting impression on your readers? Check this guide on how to write an argumentative essay . If you’re still choosing an essay topic, read our essay guides on social media and technology .

Yna Lim is a communications specialist currently focused on policy advocacy. In her eight years of writing, she has been exposed to a variety of topics, including cryptocurrency, web hosting, agriculture, marketing, intellectual property, data privacy and international trade. A former journalist in one of the top business papers in the Philippines, Yna is currently pursuing her master's degree in economics and business.

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Internet Essay | Essay on Internet Internet Essay for Students and Children in English

February 14, 2024 by Prasanna

Internet Essay in English: The essay on Internet is a useful tool to educate students about the benefits and dangers of the Internet. The Internet is also a tool that we cannot avoid in this day and age. Nearly every aspect of our lives, from social interaction to learning and education, is performed through the Internet.

Hence, the best way for students to learn about the Internet is by writing an essay on the Internet. Doing so will ensure that the technology will not be taken for granted. The perfect analogy for the Internet is the ocean; it is vast, expansive, and very easy to get lost in. However, with the right knowledge, this will not be an issue. Read on to find more about Write an essay about English, essay writing on internet.

You can also find more  Essay Writing  articles on events, persons, sports, technology and many more.

Short Essay on Internet – Important Points to Note

Following are a few things to keep in mind before writing an essay on the Internet:

• Perform a thorough research on the topic before starting.
• Always write an introductory paragraph
• Reduce the usage of jargons
• Present the content in points wherever necessary
• Break up large sections of monotonous texts into digestible chunks
• Use dates, figures, names, and other specifics
• Always provide a concluding paragraph
• Read through the essay once to eliminate grammar and spelling mistakes.

“The Internet is becoming the town square for the Global village of tomorrow – Internet Essay”

Essay on Internet in English for Class 10 – Sample 1 (250 Words)

Life in today’s day and age is entirely dependent on the Internet. Without this crucial tool, life would probably come to a standstill. In many countries, financial transactions are done entirely online. So if the Internet were to stop working, it could cause many hassles for the users.

People all over the world are connected through the Internet. News or any information for that matter travels through the Internet. This is how we keep ourselves updated with information. However, there are some downsides to this as well. Due to the Internet’s worldwide reach, crucial data, such as credit card numbers can be stolen. News or other information can be manipulated or distorted.

Essay About Internet – Problems of Internet

On an individual level, the Internet can cause a lot of problems – one of the most significant being procrastination. Procrastination is the habit of postponing a task indefinitely. Social media platforms, such as Facebook and other similar sites, are to be blamed as it is easy to get sucked into them. Countless hours could disappear if the user does not keep track of time.

However, the Internet is not all bad. There are many other things that you can learn. For instance, a technical subject such as physics can be better understood through the help of videos. Abstract subjects such as mathematics are understood better through the help of websites and forums dedicated to explaining the concepts better.

In conclusion, the Internet is like a double-edged sword. It can be a great boon if used in the right way. It provides valuable knowledge and resources to better yourself. However, it can also be easy to distract yourself and waste countless hours of your time.

Sample 2 – Essay on Internet 500+ Words

The United States is responsible for inventing the Internet in the 1960s; however, it was initially known as ARPANET (Advanced Research Projects Agency Network), a project funded by the United States Department of Defence. It was quite primitive and transferred data through “packet switching,” which would later go on to become a fundamental aspect of the Internet.

It took a few more decades before the Internet became widely accessible. By the 1970s and 80, the technology grew to a more recognizable form. And by the late 1990s, most households were connected to the Internet. Though it was very primitive, it set the stage for future events that would change the world.

The first-ever website went live on the 6th of August, 1991. It was dedicated to the World Wide Web project and provided relevant details about the same. The original address still exists – http://info.cern.ch/hypertext/WWW/TheProject.html . However, there are no instances of the original page instead, the link leads to the version taken in 1992. Ever since then, countless websites came into existence on the world wide web. Today, as of January 2019, there are over 1.94 billion websites. This number is only expected to grow in the coming years.

Essay on Internet and Its Uses

The Internet is one of the best tools for productivity today. A student can learn any subject from vast online resources. Technical subjects can be explained better through videos or online guides. Abstract subjects like mathematics can be better understood through online practice pages and forums. Writers can find inspiration online. Musicians have access to countless tools to create their next masterpiece. In short, the Internet is a fantastic place to help and guide individuals to do amazing things. Disadvantages of Internet Essay  is primarily written for students and children to know about the internet misuses.

However, we need to know that the Internet is like a double-edged sword. It has the potential to be beneficial to us, but at the same time, it can negatively affect us if we are not careful. Social media sites are invaluable, but they can cause many negative repercussions, such as procrastination and internet addiction. Moreover, the Internet can host many distractions and illegal activities; hence, one should be careful not to get entangled in it.

Another essential concept readers should know about the Internet is the dark web. To understand the dark web better, consider this analogy: An iceberg floats on water, but only 10-15 percent of the entire structure is visible above the waterline. The dark web is the part of the iceberg present below the waterline. So why does this part of the Internet exist?

Conclusion on Internet Essay in English

Important information, such as credit card numbers, online banking details exist on the dark web, and it is heavily encrypted. Similarly, every private and unlisted YouTube video exists on the dark web. Moreover, an individual cannot reach the dark web through a regular browser. Select software or specific configurations that are required to access the dark web. In short, the dark web helps individuals to stay anonymous over the Internet. Essay on Internet in Hindi, English, Punjabi language for kids will update soon.

In conclusion, the Internet can be thought of as a massive ocean; if used in the right way, it can be very productive and helpful.

FAQ’s on Essay on Internet

Question 1. What is the Internet?

Answer: The Internet is a global network of computers that provide information and facilitate communication over a series of interconnected networks.

Question 2. What is the importance of the Internet?

Answer: The Internet is a part of our daily life. It provides information, resources and a platform for interaction.

Question 3. How was the Internet created?

Answer: The Internet was the result of a project funded by the U.S Department of Defence. It was initially called ARPANET (Advanced Research Projects Agency Network).

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Home — Essay Samples — Information Science and Technology — Internet — The Importance of the Internet in the World

The Importance of The Internet in The Modern World

• Categories: Advantages of Technology Internet

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Published: Sep 19, 2019

Words: 637 | Page: 1 | 4 min read

The Changes That the Internet Has Brought to Our Lives

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The Invention of Internet Essay

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Introduction and Thesis Statement

Events that led to the advancement of the internet, effects of advancement of the internet, evolution if the advancement the internet.

Internet is a communication tool that has enabled the entire world to become like a village. This is because with internet people from all corners of the world can reach each other in less than a minute. Internet was invented, and it required people to have computers to get its access.

With internet, people who work or study abroad can talk to their family members almost anytime. This is due to low cost of making telephone calls through the internet (Abbate, 2000). In fact, internet has saved a lot of resources for both individuals and governments.

This is due to the ease of sending and receiving information from their accomplices or business partners from all over the world. For instance, governments used to spend a lot of money in air tickets as their officials went around the world looking for potential business or development partners. Invention of the internet has made work easy because ministry officials can make deals over internet enabled calls. In addition, today one is able to make video calls with the aid of various internet applications.

This means that the internet is an essential communication tool that has transformed the whole world in terms of accessibility (Aspray, 2008). Development in the internet is continuously advancing as several mobile gadgets have been developed to enable more people to access internet. This ranges from the use of laptops which are portable computers to hand devices such as mobile phones.

Several events led to the advancement of the internet in the world today. All these events revolve around the fact that everyone wanted easy and cheap modes of communication. As the world developed and people started migrating from their homes to other countries and continents in the world, they needed to communicate with people back at home.

Therefore, this led to the advancement in the internet to enable them to communicate effectively with people back at their homes. In addition, the development of the digital world played a crucial role in development and advancement, in internet.

This means that due to the creation of digital images and other effects that could be translated electronically; it was vital to advance internet. This was vital because people required sending and receiving photos and other data through the internet. Many countries in the world came up with strategies of ensuring that computer applications studies are compulsory in their public and private institutions (Hewson, 2002).

The level of computer literacy in the world played a leading role in the advancement of internet as teachers and students wanted to get the information online. In fact, it is easier to get information from internet compared to going through books in the library. This is due to the simple nature of data searching through the search engines in the internet. Internet was advanced to enable professionals to consult on their work from wherever they are in the world without necessarily travelling to hold physical meetings.

Internet has enabled the world to become small in the sense that regardless the distance between people, they can close business transactions effectively. This is because business partners may meet and transact their business in the virtual world through the internet.

For instance, social networks, which are supported by the internet, have created a global scenario where people can mingle and make friends. In fact, strangers are meeting through internet, and if they have common activities they may extend them to their benefits. In addition, people abroad have been able to communicate with their family members and friends without incurring a lot of costs.

Internet has enabled people to shop from anywhere in the world by visiting desired websites. This has happened especially in the motor vehicle business where a consumer accesses motor dealers through the search machines. The customer is able to see various motor vehicles available in the dealers’ yards.

All information regarding vehicles is made available on the internet and upon making the desired choice, negotiations start (Misa, 2011). This maybe in the form of electronic mails, internet enabled phone calls or live chats. When they agree on terms of purchase and shipping the vehicle to customer’s location, payment is done through internet payment systems.

Then the vehicle is shipped to the customer who throughout the process keeps in touch with the dealers through internet. Internet has enhanced learning in universities and other learning institutions by providing easy means of accessing information. In fact, there is a variety of information available in the internet hence allowing students to have access to a lot of knowledge.

Everything that has advantages may be accompanied by several disadvantages. Internet has many advantages, but it also has a dark side of its advancement. There has been cases of internet crimes where people have lost their property and lives to internet friends. This happens where one discloses their information to strangers who purport to be looking for business accomplices (Weber, 2004).

After they get all the necessary information, they get access to bank accounts draining all the money to their accounts. Many people in the world have committed suicide after losing their long saved fortunes to internet conmen. Internet has negatively impacted social lives where young people have been exposed to pornographic materials. These materials have corrupted minds of youths hence causing them to engage in irresponsible sexual behaviors.

As a result, it has led to spread of sexually transmitted diseases such as HIV/AID among young people. Internet has contributed to increased rate of piracy hence affecting artists (Morozov, 2011). This happens because upon the release of their music and other electronic works of art people send them to the internet making it easy for others to download. This affects their profitability as majority of people who get access to the works of art pay almost nothing.

In addition, people have lost their lives by meeting bandits from the internet. This is where people start up relationships on the internet and upon meeting they may disagree on some things. This might lead to physical confrontation or even to loss of lives in some cases. Therefore, internet users should be careful whenever planning to meet or transact any business with strangers.

Internet has transformed lives of many people in the world today as they can access any information with only a click of a mouse. This means that information sources have been made readily available in the world today. Transacting business with people abroad has become easy with the development of electronic payment systems which are aided by the internet.

People can send pictures and other information through the internet to their loved ones and friends. On the other hand, internet should be used wisely to reduce the rates of social crimes. People have lost their lives and property though internet deals, therefore, caution must be taken to prevent such actions.

Abbate, J. (2000). Inventing the Internet . Cambridge, MA: MIT Press.

Aspray, W. C. (2008). Internet and American Business . Cambridge, MA: MIT Press.

Hewson, C. Y. (2002). Internet Research Methods: A Practical Guide for the Social and Behavioral Sciences. London, GBR: SAGE Publicatins Inc. (US).

Misa, T. J. (2011). Leonardo to the Internet: Technology and Culture from the Renaissance to the Present . London: JHU Press.

Morozov, E. (2011). The Net Delusion: The Dark Side of Internet Freedom. PublicAffairs. Cambridge, MA: MIT Press.

Weber, R. (2004). Computers Then and Now . Michigan: Compass Point Books.

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IvyPanda. (2018, November 6). The Invention of Internet. https://ivypanda.com/essays/the-invention-of-internet/

"The Invention of Internet." IvyPanda , 6 Nov. 2018, ivypanda.com/essays/the-invention-of-internet/.

IvyPanda . (2018) 'The Invention of Internet'. 6 November.

IvyPanda . 2018. "The Invention of Internet." November 6, 2018. https://ivypanda.com/essays/the-invention-of-internet/.

1. IvyPanda . "The Invention of Internet." November 6, 2018. https://ivypanda.com/essays/the-invention-of-internet/.

Bibliography

IvyPanda . "The Invention of Internet." November 6, 2018. https://ivypanda.com/essays/the-invention-of-internet/.

A Brief History of the Internet

Introduction, published 1997.

Barry M. Leiner, Vinton G. Cerf, David D. Clark, Robert E. Kahn, Leonard Kleinrock, Daniel C. Lynch, Jon Postel, Larry G. Roberts, Stephen Wolff

The Internet has revolutionized the computer and communications world like nothing before. The invention of the telegraph, telephone, radio, and computer set the stage for this unprecedented integration of capabilities. The Internet is at once a world-wide broadcasting capability, a mechanism for information dissemination, and a medium for collaboration and interaction between individuals and their computers without regard for geographic location. The Internet represents one of the most successful examples of the benefits of sustained investment and commitment to research and development of information infrastructure. Beginning with the early research in packet switching, the government, industry and academia have been partners in evolving and deploying this exciting new technology. Today, terms like “ [email protected] ” and “ http://www.acm.org ” trip lightly off the tongue of the random person on the street.  1

This is intended to be a brief, necessarily cursory and incomplete history. Much material currently exists about the Internet, covering history, technology, and usage. A trip to almost any bookstore will find shelves of material written about the Internet.  2

Learn more about how we are building a bigger, stronger Internet.

In this paper, 3  several of us involved in the development and evolution of the Internet share our views of its origins and history. This history revolves around four distinct aspects. There is the technological evolution that began with early research on packet switching and the ARPANET (and related technologies), and where current research continues to expand the horizons of the infrastructure along several dimensions, such as scale, performance, and higher-level functionality. There is the operations and management aspect of a global and complex operational infrastructure. There is the social aspect, which resulted in a broad community of Internauts working together to create and evolve the technology. And there is the commercialization aspect, resulting in an extremely effective transition of research results into a broadly deployed and available information infrastructure.

The Internet today is a widespread information infrastructure, the initial prototype of what is often called the National (or Global or Galactic) Information Infrastructure. Its history is complex and involves many aspects – technological, organizational, and community. And its influence reaches not only to the technical fields of computer communications but throughout society as we move toward increasing use of online tools to accomplish electronic commerce, information acquisition, and community operations.

Origins of the Internet

The first recorded description of the social interactions that could be enabled through networking was a  series of memos  written by J.C.R. Licklider of MIT in August 1962 discussing his “Galactic Network” concept. He envisioned a globally interconnected set of computers through which everyone could quickly access data and programs from any site. In spirit, the concept was very much like the Internet of today. Licklider was the first head of the computer research program at DARPA, 4  starting in October 1962. While at DARPA he convinced his successors at DARPA, Ivan Sutherland, Bob Taylor, and MIT researcher Lawrence G. Roberts, of the importance of this networking concept.

Leonard Kleinrock at MIT published the  first paper on packet switching theory  in July 1961 and the  first book on the subject  in 1964. Kleinrock convinced Roberts of the theoretical feasibility of communications using packets rather than circuits, which was a major step along the path towards computer networking. The other key step was to make the computers talk together. To explore this, in 1965 working with Thomas Merrill, Roberts connected the TX-2 computer in Mass. to the Q-32 in California with a low speed dial-up telephone line creating the  first (however small) wide-area computer network ever built . The result of this experiment was the realization that the time-shared computers could work well together, running programs and retrieving data as necessary on the remote machine, but that the circuit switched telephone system was totally inadequate for the job. Kleinrock’s conviction of the need for packet switching was confirmed.

In late 1966 Roberts went to DARPA to develop the computer network concept and quickly put together his  plan for the “ARPANET” , publishing it in 1967. At the conference where he presented the paper, there was also a paper on a packet network concept from the UK by Donald Davies and Roger Scantlebury of NPL. Scantlebury told Roberts about the NPL work as well as that of Paul Baran and others at RAND. The RAND group had written a paper on packet switching networks for secure voice  in the military in 1964. It happened that the work at MIT (1961-1967), at RAND (1962-1965), and at NPL (1964-1967) had all proceeded in parallel without any of the researchers knowing about the other work. The word “packet” was adopted from the work at NPL and the proposed line speed to be used in the ARPANET design was upgraded from 2.4 kbps to 50 kbps.  5

In August 1968, after Roberts and the DARPA funded community had refined the overall structure and specifications for the ARPANET, an RFQ was released by DARPA for the development of one of the key components, the packet switches called Interface Message Processors (IMP’s). The RFQ was won in December 1968 by a group headed by Frank Heart at Bolt Beranek and Newman (BBN). As the BBN team worked on the IMP’s with Bob Kahn playing a major role in the overall ARPANET architectural design, the network topology and economics were designed and optimized by Roberts working with Howard Frank and his team at Network Analysis Corporation, and the network measurement system was prepared by Kleinrock’s team at UCLA.  6

Due to Kleinrock’s early development of packet switching theory and his focus on analysis, design and measurement, his Network Measurement Center at UCLA was selected to be the first node on the ARPANET. All this came together in September 1969 when BBN installed the first IMP at UCLA and the first host computer was connected. Doug Engelbart’s project on “Augmentation of Human Intellect” (which included NLS, an early hypertext system) at Stanford Research Institute (SRI) provided a second node. SRI supported the Network Information Center, led by Elizabeth (Jake) Feinler and including functions such as maintaining tables of host name to address mapping as well as a directory of the RFC’s.

One month later, when SRI was connected to the ARPANET, the first host-to-host message was sent from Kleinrock’s laboratory to SRI. Two more nodes were added at UC Santa Barbara and University of Utah. These last two nodes incorporated application visualization projects, with Glen Culler and Burton Fried at UCSB investigating methods for display of mathematical functions using storage displays to deal with the problem of refresh over the net, and Robert Taylor and Ivan Sutherland at Utah investigating methods of 3-D representations over the net. Thus, by the end of 1969, four host computers were connected together into the initial ARPANET, and the budding Internet was off the ground. Even at this early stage, it should be noted that the networking research incorporated both work on the underlying network and work on how to utilize the network. This tradition continues to this day.

Computers were added quickly to the ARPANET during the following years, and work proceeded on completing a functionally complete Host-to-Host protocol and other network software. In December 1970 the Network Working Group (NWG) working under S. Crocker finished the initial ARPANET Host-to-Host protocol, called the Network Control Protocol (NCP). As the ARPANET sites completed implementing NCP during the period 1971-1972, the network users finally could begin to develop applications.

In October 1972, Kahn organized a large, very successful demonstration of the ARPANET at the International Computer Communication Conference (ICCC). This was the first public demonstration of this new network technology to the public. It was also in 1972 that the initial “hot” application, electronic mail, was introduced. In March Ray Tomlinson at BBN wrote the basic email message send and read software, motivated by the need of the ARPANET developers for an easy coordination mechanism. In July, Roberts expanded its utility by writing the first email utility program to list, selectively read, file, forward, and respond to messages. From there email took off as the largest network application for over a decade. This was a harbinger of the kind of activity we see on the World Wide Web today, namely, the enormous growth of all kinds of “people-to-people” traffic.

The Initial Internetting Concepts

The original ARPANET grew into the Internet. Internet was based on the idea that there would be multiple independent networks of rather arbitrary design, beginning with the ARPANET as the pioneering packet switching network, but soon to include packet satellite networks, ground-based packet radio networks and other networks. The Internet as we now know it embodies a key underlying technical idea, namely that of open architecture networking. In this approach, the choice of any individual network technology was not dictated by a particular network architecture but rather could be selected freely by a provider and made to interwork with the other networks through a meta-level “Internetworking Architecture”. Up until that time there was only one general method for federating networks. This was the traditional circuit switching method where networks would interconnect at the circuit level, passing individual bits on a synchronous basis along a portion of an end-to-end circuit between a pair of end locations. Recall that Kleinrock had shown in 1961 that packet switching was a more efficient switching method. Along with packet switching, special purpose interconnection arrangements between networks were another possibility. While there were other limited ways to interconnect different networks, they required that one be used as a component of the other, rather than acting as a peer of the other in offering end-to-end service.

In an open-architecture network, the individual networks may be separately designed and developed and each may have its own unique interface which it may offer to users and/or other providers. including other Internet providers. Each network can be designed in accordance with the specific environment and user requirements of that network. There are generally no constraints on the types of network that can be included or on their geographic scope, although certain pragmatic considerations will dictate what makes sense to offer.

The idea of open-architecture networking was first introduced by Kahn shortly after having arrived at DARPA in 1972. This work was originally part of the packet radio program, but subsequently became a separate program in its own right. At the time, the program was called “Internetting”. Key to making the packet radio system work was a reliable end-end protocol that could maintain effective communication in the face of jamming and other radio interference, or withstand intermittent blackout such as caused by being in a tunnel or blocked by the local terrain. Kahn first contemplated developing a protocol local only to the packet radio network, since that would avoid having to deal with the multitude of different operating systems, and continuing to use NCP.

However, NCP did not have the ability to address networks (and machines) further downstream than a destination IMP on the ARPANET and thus some change to NCP would also be required. (The assumption was that the ARPANET was not changeable in this regard). NCP relied on ARPANET to provide end-to-end reliability. If any packets were lost, the protocol (and presumably any applications it supported) would come to a grinding halt. In this model NCP had no end-end host error control, since the ARPANET was to be the only network in existence and it would be so reliable that no error control would be required on the part of the hosts. Thus, Kahn decided to develop a new version of the protocol which could meet the needs of an open-architecture network environment. This protocol would eventually be called the Transmission Control Protocol/Internet Protocol (TCP/IP). While NCP tended to act like a device driver, the new protocol would be more like a communications protocol.

Four ground rules were critical to Kahn’s early thinking:

• Each distinct network would have to stand on its own and no internal changes could be required to any such network to connect it to the Internet.
• Communications would be on a best effort basis. If a packet didn’t make it to the final destination, it would shortly be retransmitted from the source.
• Black boxes would be used to connect the networks; these would later be called gateways and routers. There would be no information retained by the gateways about the individual flows of packets passing through them, thereby keeping them simple and avoiding complicated adaptation and recovery from various failure modes.
• There would be no global control at the operations level.

Other key issues that needed to be addressed were:

• Algorithms to prevent lost packets from permanently disabling communications and enabling them to be successfully retransmitted from the source.
• Providing for host-to-host “pipelining” so that multiple packets could be enroute from source to destination at the discretion of the participating hosts, if the intermediate networks allowed it.
• Gateway functions to allow it to forward packets appropriately. This included interpreting IP headers for routing, handling interfaces, breaking packets into smaller pieces if necessary, etc.
• The need for end-end checksums, reassembly of packets from fragments and detection of duplicates, if any.
• The need for global addressing
• Techniques for host-to-host flow control.
• Interfacing with the various operating systems
• There were also other concerns, such as implementation efficiency, internetwork performance, but these were secondary considerations at first.

Kahn began work on a communications-oriented set of operating system principles while at BBN and documented some of his early thoughts in an internal BBN memorandum entitled “ Communications Principles for Operating Systems “. At this point he realized it would be necessary to learn the implementation details of each operating system to have a chance to embed any new protocols in an efficient way. Thus, in the spring of 1973, after starting the internetting effort, he asked Vint Cerf (then at Stanford) to work with him on the detailed design of the protocol. Cerf had been intimately involved in the original NCP design and development and already had the knowledge about interfacing to existing operating systems. So armed with Kahn’s architectural approach to the communications side and with Cerf’s NCP experience, they teamed up to spell out the details of what became TCP/IP.

The give and take was highly productive and the first written version of the resulting approach was distributed as INWG#39 at a special meeting of the International Network Working Group (INWG) at Sussex University in September 1973. Subsequently a refined version was published in 1974 7 . The INWG was created at the October 1972 International Computer Communications Conference organized by Bob Kahn, et al, and Cerf was invited to chair this group.

Some basic approaches emerged from this collaboration between Kahn and Cerf:

• Communication between two processes would logically consist of a very long stream of bytes (they called them octets). The position of any octet in the stream would be used to identify it.
• Flow control would be done by using sliding windows and acknowledgments (acks). The destination could select when to acknowledge and each ack returned would be cumulative for all packets received to that point.
• It was left open as to exactly how the source and destination would agree on the parameters of the windowing to be used. Defaults were used initially.
• Although Ethernet was under development at Xerox PARC at that time, the proliferation of LANs were not envisioned at the time, much less PCs and workstations. The original model was national level networks like ARPANET of which only a relatively small number were expected to exist. Thus a 32 bit IP address was used of which the first 8 bits signified the network and the remaining 24 bits designated the host on that network. This assumption, that 256 networks would be sufficient for the foreseeable future, was clearly in need of reconsideration when LANs began to appear in the late 1970s.

The original Cerf/Kahn paper on the Internet described one protocol, called TCP, which provided all the transport and forwarding services in the Internet. Kahn had intended that the TCP protocol support a range of transport services, from the totally reliable sequenced delivery of data (virtual circuit model) to a datagram service in which the application made direct use of the underlying network service, which might imply occasional lost, corrupted or reordered packets. However, the initial effort to implement TCP resulted in a version that only allowed for virtual circuits. This model worked fine for file transfer and remote login applications, but some of the early work on advanced network applications, in particular packet voice in the 1970s, made clear that in some cases packet losses should not be corrected by TCP, but should be left to the application to deal with. This led to a reorganization of the original TCP into two protocols, the simple IP which provided only for addressing and forwarding of individual packets, and the separate TCP, which was concerned with service features such as flow control and recovery from lost packets. For those applications that did not want the services of TCP, an alternative called the User Datagram Protocol (UDP) was added in order to provide direct access to the basic service of IP.

A major initial motivation for both the ARPANET and the Internet was resource sharing – for example allowing users on the packet radio networks to access the time sharing systems attached to the ARPANET. Connecting the two together was far more economical that duplicating these very expensive computers. However, while file transfer and remote login (Telnet) were very important applications, electronic mail has probably had the most significant impact of the innovations from that era. Email provided a new model of how people could communicate with each other, and changed the nature of collaboration, first in the building of the Internet itself (as is discussed below) and later for much of society.

There were other applications proposed in the early days of the Internet, including packet based voice communication (the precursor of Internet telephony), various models of file and disk sharing, and early “worm” programs that showed the concept of agents (and, of course, viruses). A key concept of the Internet is that it was not designed for just one application, but as a general infrastructure on which new applications could be conceived, as illustrated later by the emergence of the World Wide Web. It is the general purpose nature of the service provided by TCP and IP that makes this possible.

Proving the Ideas

DARPA let three contracts to Stanford (Cerf), BBN (Ray Tomlinson) and UCL (Peter Kirstein) to implement TCP/IP (it was simply called TCP in the Cerf/Kahn paper but contained both components). The Stanford team, led by Cerf, produced the detailed specification and within about a year there were three independent implementations of TCP that could interoperate.

This was the beginning of long term experimentation and development to evolve and mature the Internet concepts and technology. Beginning with the first three networks (ARPANET, Packet Radio, and Packet Satellite) and their initial research communities, the experimental environment has grown to incorporate essentially every form of network and a very broad-based research and development community.  [REK78]  With each expansion has come new challenges.

The early implementations of TCP were done for large time sharing systems such as Tenex and TOPS 20. When desktop computers first appeared, it was thought by some that TCP was too big and complex to run on a personal computer. David Clark and his research group at MIT set out to show that a compact and simple implementation of TCP was possible. They produced an implementation, first for the Xerox Alto (the early personal workstation developed at Xerox PARC) and then for the IBM PC. That implementation was fully interoperable with other TCPs, but was tailored to the application suite and performance objectives of the personal computer, and showed that workstations, as well as large time-sharing systems, could be a part of the Internet. In 1976, Kleinrock published the  first book on the ARPANET . It included an emphasis on the complexity of protocols and the pitfalls they often introduce. This book was influential in spreading the lore of packet switching networks to a very wide community.

Widespread development of LANS, PCs and workstations in the 1980s allowed the nascent Internet to flourish. Ethernet technology, developed by Bob Metcalfe at Xerox PARC in 1973, is now probably the dominant network technology in the Internet and PCs and workstations the dominant computers. This change from having a few networks with a modest number of time-shared hosts (the original ARPANET model) to having many networks has resulted in a number of new concepts and changes to the underlying technology. First, it resulted in the definition of three network classes (A, B, and C) to accommodate the range of networks. Class A represented large national scale networks (small number of networks with large numbers of hosts); Class B represented regional scale networks; and Class C represented local area networks (large number of networks with relatively few hosts).

A major shift occurred as a result of the increase in scale of the Internet and its associated management issues. To make it easy for people to use the network, hosts were assigned names, so that it was not necessary to remember the numeric addresses. Originally, there were a fairly limited number of hosts, so it was feasible to maintain a single table of all the hosts and their associated names and addresses. The shift to having a large number of independently managed networks (e.g., LANs) meant that having a single table of hosts was no longer feasible, and the Domain Name System (DNS) was invented by Paul Mockapetris of USC/ISI. The DNS permitted a scalable distributed mechanism for resolving hierarchical host names (e.g.  www.acm.org ) into an Internet address.

The increase in the size of the Internet also challenged the capabilities of the routers. Originally, there was a single distributed algorithm for routing that was implemented uniformly by all the routers in the Internet. As the number of networks in the Internet exploded, this initial design could not expand as necessary, so it was replaced by a hierarchical model of routing, with an Interior Gateway Protocol (IGP) used inside each region of the Internet, and an Exterior Gateway Protocol (EGP) used to tie the regions together. This design permitted different regions to use a different IGP, so that different requirements for cost, rapid reconfiguration, robustness and scale could be accommodated. Not only the routing algorithm, but the size of the addressing tables, stressed the capacity of the routers. New approaches for address aggregation, in particular classless inter-domain routing (CIDR), have recently been introduced to control the size of router tables.

As the Internet evolved, one of the major challenges was how to propagate the changes to the software, particularly the host software. DARPA supported UC Berkeley to investigate modifications to the Unix operating system, including incorporating TCP/IP developed at BBN. Although Berkeley later rewrote the BBN code to more efficiently fit into the Unix system and kernel, the incorporation of TCP/IP into the Unix BSD system releases proved to be a critical element in dispersion of the protocols to the research community. Much of the CS research community began to use Unix BSD for their day-to-day computing environment. Looking back, the strategy of incorporating Internet protocols into a supported operating system for the research community was one of the key elements in the successful widespread adoption of the Internet.

One of the more interesting challenges was the transition of the ARPANET host protocol from NCP to TCP/IP as of January 1, 1983. This was a “flag-day” style transition, requiring all hosts to convert simultaneously or be left having to communicate via rather ad-hoc mechanisms. This transition was carefully planned within the community over several years before it actually took place and went surprisingly smoothly (but resulted in a distribution of buttons saying “I survived the TCP/IP transition”).

TCP/IP was adopted as a defense standard three years earlier in 1980. This enabled defense to begin sharing in the DARPA Internet technology base and led directly to the eventual partitioning of the military and non- military communities. By 1983, ARPANET was being used by a significant number of defense R&D and operational organizations. The transition of ARPANET from NCP to TCP/IP permitted it to be split into a MILNET supporting operational requirements and an ARPANET supporting research needs.

Thus, by 1985, Internet was already well established as a technology supporting a broad community of researchers and developers, and was beginning to be used by other communities for daily computer communications. Electronic mail was being used broadly across several communities, often with different systems, but interconnection between different mail systems was demonstrating the utility of broad based electronic communications between people.

Transition to Widespread Infrastructure

At the same time that the Internet technology was being experimentally validated and widely used amongst a subset of computer science researchers, other networks and networking technologies were being pursued. The usefulness of computer networking – especially electronic mail – demonstrated by DARPA and Department of Defense contractors on the ARPANET was not lost on other communities and disciplines, so that by the mid-1970s computer networks had begun to spring up wherever funding could be found for the purpose. The U.S. Department of Energy (DoE) established MFENet for its researchers in Magnetic Fusion Energy, whereupon DoE’s High Energy Physicists responded by building HEPNet. NASA Space Physicists followed with SPAN, and Rick Adrion, David Farber, and Larry Landweber established CSNET for the (academic and industrial) Computer Science community with an initial grant from the U.S. National Science Foundation (NSF). AT&T’s free-wheeling dissemination of the UNIX computer operating system spawned USENET, based on UNIX’ built-in UUCP communication protocols, and in 1981 Ira Fuchs and Greydon Freeman devised BITNET, which linked academic mainframe computers in an “email as card images” paradigm.

With the exception of BITNET and USENET, these early networks (including ARPANET) were purpose-built – i.e., they were intended for, and largely restricted to, closed communities of scholars; there was hence little pressure for the individual networks to be compatible and, indeed, they largely were not. In addition, alternate technologies were being pursued in the commercial sector, including XNS from Xerox, DECNet, and IBM’s SNA. 8  It remained for the British JANET (1984) and U.S. NSFNET (1985) programs to explicitly announce their intent to serve the entire higher education community, regardless of discipline. Indeed, a condition for a U.S. university to receive NSF funding for an Internet connection was that “… the connection must be made available to ALL qualified users on campus.”

In 1985, Dennis Jennings came from Ireland to spend a year at NSF leading the NSFNET program. He worked with the community to help NSF make a critical decision – that TCP/IP would be mandatory for the NSFNET program. When Steve Wolff took over the NSFNET program in 1986, he recognized the need for a wide area networking infrastructure to support the general academic and research community, along with the need to develop a strategy for establishing such infrastructure on a basis ultimately independent of direct federal funding. Policies and strategies were adopted (see below) to achieve that end.

NSF also elected to support DARPA’s existing Internet organizational infrastructure, hierarchically arranged under the (then) Internet Activities Board (IAB). The public declaration of this choice was the joint authorship by the IAB’s Internet Engineering and Architecture Task Forces and by NSF’s Network Technical Advisory Group of RFC 985 (Requirements for Internet Gateways ), which formally ensured interoperability of DARPA’s and NSF’s pieces of the Internet.

In addition to the selection of TCP/IP for the NSFNET program, Federal agencies made and implemented several other policy decisions which shaped the Internet of today.

• Federal agencies shared the cost of common infrastructure, such as trans-oceanic circuits. They also jointly supported “managed interconnection points” for interagency traffic; the Federal Internet Exchanges (FIX-E and FIX-W) built for this purpose served as models for the Network Access Points and “*IX” facilities that are prominent features of today’s Internet architecture.
• To coordinate this sharing, the Federal Networking Council 9  was formed. The FNC also cooperated with other international organizations, such as RARE in Europe, through the Coordinating Committee on Intercontinental Research Networking, CCIRN, to coordinate Internet support of the research community worldwide.
• This sharing and cooperation between agencies on Internet-related issues had a long history. An unprecedented 1981 agreement between Farber, acting for CSNET and the NSF, and DARPA’s Kahn, permitted CSNET traffic to share ARPANET infrastructure on a statistical and no-metered-settlements basis.
• Subsequently, in a similar mode, the NSF encouraged its regional (initially academic) networks of the NSFNET to seek commercial, non-academic customers, expand their facilities to serve them, and exploit the resulting economies of scale to lower subscription costs for all.
• On the NSFNET Backbone – the national-scale segment of the NSFNET – NSF enforced an “Acceptable Use Policy” (AUP) which prohibited Backbone usage for purposes “not in support of Research and Education.” The predictable (and intended) result of encouraging commercial network traffic at the local and regional level, while denying its access to national-scale transport, was to stimulate the emergence and/or growth of “private”, competitive, long-haul networks such as PSI, UUNET, ANS CO+RE, and (later) others. This process of privately-financed augmentation for commercial uses was thrashed out starting in 1988 in a series of NSF-initiated conferences at Harvard’s Kennedy School of Government on “The Commercialization and Privatization of the Internet” – and on the “com-priv” list on the net itself.
• In 1988, a National Research Council committee, chaired by Kleinrock and with Kahn and Clark as members, produced a report commissioned by NSF titled “Towards a National Research Network”. This report was influential on then Senator Al Gore, and ushered in high speed networks that laid the networking foundation for the future information superhighway.
• In 1994, a National Research Council report, again chaired by Kleinrock (and with Kahn and Clark as members again), Entitled “Realizing The Information Future: The Internet and Beyond” was released. This report, commissioned by NSF, was the document in which a blueprint for the evolution of the information superhighway was articulated and which has had a lasting affect on the way to think about its evolution. It anticipated the critical issues of intellectual property rights, ethics, pricing, education, architecture and regulation for the Internet.
• NSF’s privatization policy culminated in April, 1995, with the defunding of the NSFNET Backbone. The funds thereby recovered were (competitively) redistributed to regional networks to buy national-scale Internet connectivity from the now numerous, private, long-haul networks.

The backbone had made the transition from a network built from routers out of the research community (the “Fuzzball” routers from David Mills) to commercial equipment. In its 8 1/2 year lifetime, the Backbone had grown from six nodes with 56 kbps links to 21 nodes with multiple 45 Mbps links. It had seen the Internet grow to over 50,000 networks on all seven continents and outer space, with approximately 29,000 networks in the United States.

Such was the weight of the NSFNET program’s ecumenism and funding ($200 million from 1986 to 1995) – and the quality of the protocols themselves – that by 1990 when the ARPANET itself was finally decommissioned 10 , TCP/IP had supplanted or marginalized most other wide-area computer network protocols worldwide, and IP was well on its way to becoming THE bearer service for the Global Information Infrastructure.

The Role of Documentation

A key to the rapid growth of the Internet has been the free and open access to the basic documents, especially the specifications of the protocols.

The beginnings of the ARPANET and the Internet in the university research community promoted the academic tradition of open publication of ideas and results. However, the normal cycle of traditional academic publication was too formal and too slow for the dynamic exchange of ideas essential to creating networks.

In 1969 a key step was taken by S. Crocker (then at UCLA) in establishing the  Request for Comments  (or RFC) series of notes. These memos were intended to be an informal fast distribution way to share ideas with other network researchers. At first the RFCs were printed on paper and distributed via snail mail. As the File Transfer Protocol (FTP) came into use, the RFCs were prepared as online files and accessed via FTP. Now, of course, the RFCs are easily accessed via the World Wide Web at dozens of sites around the world. SRI, in its role as Network Information Center, maintained the online directories. Jon Postel acted as RFC Editor as well as managing the centralized administration of required protocol number assignments, roles that he continued to play until his death, October 16, 1998.

The effect of the RFCs was to create a positive feedback loop, with ideas or proposals presented in one RFC triggering another RFC with additional ideas, and so on. When some consensus (or a least a consistent set of ideas) had come together a specification document would be prepared. Such a specification would then be used as the base for implementations by the various research teams.

Over time, the RFCs have become more focused on protocol standards (the “official” specifications), though there are still informational RFCs that describe alternate approaches, or provide background information on protocols and engineering issues. The RFCs are now viewed as the “documents of record” in the Internet engineering and standards community.

The open access to the RFCs (for free, if you have any kind of a connection to the Internet) promotes the growth of the Internet because it allows the actual specifications to be used for examples in college classes and by entrepreneurs developing new systems.

Email has been a significant factor in all areas of the Internet, and that is certainly true in the development of protocol specifications, technical standards, and Internet engineering. The very early RFCs often presented a set of ideas developed by the researchers at one location to the rest of the community. After email came into use, the authorship pattern changed – RFCs were presented by joint authors with common view independent of their locations.

The use of specialized email mailing lists has been long used in the development of protocol specifications, and continues to be an important tool. The IETF now has in excess of 75 working groups, each working on a different aspect of Internet engineering. Each of these working groups has a mailing list to discuss one or more draft documents under development. When consensus is reached on a draft document it may be distributed as an RFC.

As the current rapid expansion of the Internet is fueled by the realization of its capability to promote information sharing, we should understand that the network’s first role in information sharing was sharing the information about its own design and operation through the RFC documents. This unique method for evolving new capabilities in the network will continue to be critical to future evolution of the Internet.

Formation of the Broad Community

The Internet is as much a collection of communities as a collection of technologies, and its success is largely attributable to both satisfying basic community needs as well as utilizing the community in an effective way to push the infrastructure forward. This community spirit has a long history beginning with the early ARPANET. The early ARPANET researchers worked as a close-knit community to accomplish the initial demonstrations of packet switching technology described earlier. Likewise, the Packet Satellite, Packet Radio and several other DARPA computer science research programs were multi-contractor collaborative activities that heavily used whatever available mechanisms there were to coordinate their efforts, starting with electronic mail and adding file sharing, remote access, and eventually World Wide Web capabilities. Each of these programs formed a working group, starting with the ARPANET Network Working Group. Because of the unique role that ARPANET played as an infrastructure supporting the various research programs, as the Internet started to evolve, the Network Working Group evolved into Internet Working Group.

In the late 1970s, recognizing that the growth of the Internet was accompanied by a growth in the size of the interested research community and therefore an increased need for coordination mechanisms, Vint Cerf, then manager of the Internet Program at DARPA, formed several coordination bodies – an International Cooperation Board (ICB), chaired by Peter Kirstein of UCL, to coordinate activities with some cooperating European countries centered on Packet Satellite research, an Internet Research Group which was an inclusive group providing an environment for general exchange of information, and an Internet Configuration Control Board (ICCB), chaired by Clark. The ICCB was an invitational body to assist Cerf in managing the burgeoning Internet activity.

In 1983, when Barry Leiner took over management of the Internet research program at DARPA, he and Clark recognized that the continuing growth of the Internet community demanded a restructuring of the coordination mechanisms. The ICCB was disbanded and in its place a structure of Task Forces was formed, each focused on a particular area of the technology (e.g. routers, end-to-end protocols, etc.). The Internet Activities Board (IAB) was formed from the chairs of the Task Forces.

It of course was only a coincidence that the chairs of the Task Forces were the same people as the members of the old ICCB, and Dave Clark continued to act as chair. After some changing membership on the IAB, Phill Gross became chair of a revitalized Internet Engineering Task Force (IETF), at the time merely one of the IAB Task Forces. As we saw above, by 1985 there was a tremendous growth in the more practical/engineering side of the Internet. This growth resulted in an explosion in the attendance at the IETF meetings, and Gross was compelled to create substructure to the IETF in the form of working groups.

This growth was complemented by a major expansion in the community. No longer was DARPA the only major player in the funding of the Internet. In addition to NSFNet and the various US and international government-funded activities, interest in the commercial sector was beginning to grow. Also in 1985, both Kahn and Leiner left DARPA and there was a significant decrease in Internet activity at DARPA. As a result, the IAB was left without a primary sponsor and increasingly assumed the mantle of leadership.

The growth continued, resulting in even further substructure within both the IAB and IETF. The IETF combined Working Groups into Areas, and designated Area Directors. An Internet Engineering Steering Group (IESG) was formed of the Area Directors. The IAB recognized the increasing importance of the IETF, and restructured the standards process to explicitly recognize the IESG as the major review body for standards. The IAB also restructured so that the rest of the Task Forces (other than the IETF) were combined into an Internet Research Task Force (IRTF) chaired by Postel, with the old task forces renamed as research groups.

The growth in the commercial sector brought with it increased concern regarding the standards process itself. Starting in the early 1980’s and continuing to this day, the Internet grew beyond its primarily research roots to include both a broad user community and increased commercial activity. Increased attention was paid to making the process open and fair. This coupled with a recognized need for community support of the Internet eventually led to the formation of the Internet Society in 1991, under the auspices of Kahn’s Corporation for National Research Initiatives (CNRI) and the leadership of Cerf, then with CNRI.

In 1992, yet another reorganization took place. In 1992, the Internet Activities Board was re-organized and re-named the Internet Architecture Board operating under the auspices of the Internet Society. A more “peer” relationship was defined between the new IAB and IESG, with the IETF and IESG taking a larger responsibility for the approval of standards. Ultimately, a cooperative and mutually supportive relationship was formed between the IAB, IETF, and Internet Society, with the Internet Society taking on as a goal the provision of service and other measures which would facilitate the work of the IETF.

The recent development and widespread deployment of the World Wide Web has brought with it a new community, as many of the people working on the WWW have not thought of themselves as primarily network researchers and developers. A new coordination organization was formed, the World Wide Web Consortium (W3C). Initially led from MIT’s Laboratory for Computer Science by Tim Berners-Lee (the inventor of the WWW) and Al Vezza, W3C has taken on the responsibility for evolving the various protocols and standards associated with the Web.

Thus, through the over two decades of Internet activity, we have seen a steady evolution of organizational structures designed to support and facilitate an ever-increasing community working collaboratively on Internet issues.

Commercialization of the Technology

Commercialization of the Internet involved not only the development of competitive, private network services, but also the development of commercial products implementing the Internet technology. In the early 1980s, dozens of vendors were incorporating TCP/IP into their products because they saw buyers for that approach to networking. Unfortunately they lacked both real information about how the technology was supposed to work and how the customers planned on using this approach to networking. Many saw it as a nuisance add-on that had to be glued on to their own proprietary networking solutions: SNA, DECNet, Netware, NetBios. The DoD had mandated the use of TCP/IP in many of its purchases but gave little help to the vendors regarding how to build useful TCP/IP products.

In 1985, recognizing this lack of information availability and appropriate training, Dan Lynch in cooperation with the IAB arranged to hold a three day workshop for ALL vendors to come learn about how TCP/IP worked and what it still could not do well. The speakers came mostly from the DARPA research community who had both developed these protocols and used them in day-to-day work. About 250 vendor personnel came to listen to 50 inventors and experimenters. The results were surprises on both sides: the vendors were amazed to find that the inventors were so open about the way things worked (and what still did not work) and the inventors were pleased to listen to new problems they had not considered, but were being discovered by the vendors in the field. Thus a two-way discussion was formed that has lasted for over a decade.

After two years of conferences, tutorials, design meetings and workshops, a special event was organized that invited those vendors whose products ran TCP/IP well enough to come together in one room for three days to show off how well they all worked together and also ran over the Internet. In September of 1988 the first Interop trade show was born. 50 companies made the cut. 5,000 engineers from potential customer organizations came to see if it all did work as was promised. It did. Why? Because the vendors worked extremely hard to ensure that everyone’s products interoperated with all of the other products – even with those of their competitors. The Interop trade show has grown immensely since then and today it is held in 7 locations around the world each year to an audience of over 250,000 people who come to learn which products work with each other in a seamless manner, learn about the latest products, and discuss the latest technology.

In parallel with the commercialization efforts that were highlighted by the Interop activities, the vendors began to attend the IETF meetings that were held 3 or 4 times a year to discuss new ideas for extensions of the TCP/IP protocol suite. Starting with a few hundred attendees mostly from academia and paid for by the government, these meetings now often exceed a thousand attendees, mostly from the vendor community and paid for by the attendees themselves. This self-selected group evolves the TCP/IP suite in a mutually cooperative manner. The reason it is so useful is that it is composed of all stakeholders: researchers, end users and vendors.

Network management provides an example of the interplay between the research and commercial communities. In the beginning of the Internet, the emphasis was on defining and implementing protocols that achieved interoperation.

As the network grew larger, it became clear that the sometime ad hoc procedures used to manage the network would not scale. Manual configuration of tables was replaced by distributed automated algorithms, and better tools were devised to isolate faults. In 1987 it became clear that a protocol was needed that would permit the elements of the network, such as the routers, to be remotely managed in a uniform way. Several protocols for this purpose were proposed, including Simple Network Management Protocol or SNMP (designed, as its name would suggest, for simplicity, and derived from an earlier proposal called SGMP) , HEMS (a more complex design from the research community) and CMIP (from the OSI community). A series of meeting led to the decisions that HEMS would be withdrawn as a candidate for standardization, in order to help resolve the contention, but that work on both SNMP and CMIP would go forward, with the idea that the SNMP could be a more near-term solution and CMIP a longer-term approach. The market could choose the one it found more suitable. SNMP is now used almost universally for network-based management.

In the last few years, we have seen a new phase of commercialization. Originally, commercial efforts mainly comprised vendors providing the basic networking products, and service providers offering the connectivity and basic Internet services. The Internet has now become almost a “commodity” service, and much of the latest attention has been on the use of this global information infrastructure for support of other commercial services. This has been tremendously accelerated by the widespread and rapid adoption of browsers and the World Wide Web technology, allowing users easy access to information linked throughout the globe. Products are available to facilitate the provisioning of that information and many of the latest developments in technology have been aimed at providing increasingly sophisticated information services on top of the basic Internet data communications.

History of the Future

On October 24, 1995, the FNC unanimously passed a resolution defining the term Internet. This definition was developed in consultation with members of the internet and intellectual property rights communities. RESOLUTION: The Federal Networking Council (FNC) agrees that the following language reflects our definition of the term “Internet”. “Internet” refers to the global information system that — (i) is logically linked together by a globally unique address space based on the Internet Protocol (IP) or its subsequent extensions/follow-ons; (ii) is able to support communications using the Transmission Control Protocol/Internet Protocol (TCP/IP) suite or its subsequent extensions/follow-ons, and/or other IP-compatible protocols; and (iii) provides, uses or makes accessible, either publicly or privately, high level services layered on the communications and related infrastructure described herein.

The Internet has changed much in the two decades since it came into existence. It was conceived in the era of time-sharing, but has survived into the era of personal computers, client-server and peer-to-peer computing, and the network computer. It was designed before LANs existed, but has accommodated that new network technology, as well as the more recent ATM and frame switched services. It was envisioned as supporting a range of functions from file sharing and remote login to resource sharing and collaboration, and has spawned electronic mail and more recently the World Wide Web. But most important, it started as the creation of a small band of dedicated researchers, and has grown to be a commercial success with billions of dollars of annual investment.

One should not conclude that the Internet has now finished changing. The Internet, although a network in name and geography, is a creature of the computer, not the traditional network of the telephone or television industry. It will, indeed it must, continue to change and evolve at the speed of the computer industry if it is to remain relevant. It is now changing to provide new services such as real time transport, in order to support, for example, audio and video streams.

The availability of pervasive networking (i.e., the Internet) along with powerful affordable computing and communications in portable form (i.e., laptop computers, two-way pagers, PDAs, cellular phones), is making possible a new paradigm of nomadic computing and communications. This evolution will bring us new applications – Internet telephone and, slightly further out, Internet television. It is evolving to permit more sophisticated forms of pricing and cost recovery, a perhaps painful requirement in this commercial world. It is changing to accommodate yet another generation of underlying network technologies with different characteristics and requirements, e.g. broadband residential access and satellites. New modes of access and new forms of service will spawn new applications, which in turn will drive further evolution of the net itself.

The most pressing question for the future of the Internet is not how the technology will change, but how the process of change and evolution itself will be managed. As this paper describes, the architecture of the Internet has always been driven by a core group of designers, but the form of that group has changed as the number of interested parties has grown. With the success of the Internet has come a proliferation of stakeholders – stakeholders now with an economic as well as an intellectual investment in the network.

We now see, in the debates over control of the domain name space and the form of the next generation IP addresses, a struggle to find the next social structure that will guide the Internet in the future. The form of that structure will be harder to find, given the large number of concerned stakeholders. At the same time, the industry struggles to find the economic rationale for the large investment needed for the future growth, for example to upgrade residential access to a more suitable technology. If the Internet stumbles, it will not be because we lack for technology, vision, or motivation. It will be because we cannot set a direction and march collectively into the future.

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1 Perhaps this is an exaggeration based on the lead author’s residence in Silicon Valley. 2 On a recent trip to a Tokyo bookstore, one of the authors counted 14 English language magazines devoted to the Internet. 3 An abbreviated version of this article appears in the 50th anniversary issue of the CACM, Feb. 97. The authors would like to express their appreciation to Andy Rosenbloom, CACM Senior Editor, for both instigating the writing of this article and his invaluable assistance in editing both this and the abbreviated version. 4 The Advanced Research Projects Agency (ARPA) changed its name to Defense Advanced Research Projects Agency (DARPA) in 1971, then back to ARPA in 1993, and back to DARPA in 1996. We refer throughout to DARPA, the current name. 5 It was from the RAND study that the false rumor started claiming that the ARPANET was somehow related to building a network resistant to nuclear war. This was never true of the ARPANET, only the unrelated RAND study on secure voice considered nuclear war. However, the later work on Internetting did emphasize robustness and survivability, including the capability to withstand losses of large portions of the underlying networks. 6 Including amongst others Vint Cerf, Steve Crocker, and Jon Postel. Joining them later were David Crocker who was to play an important role in documentation of electronic mail protocols, and Robert Braden, who developed the first NCP and then TCP for IBM mainframes and also was to play a long term role in the ICCB and IAB. 7 This was subsequently published as V. G. Cerf and R. E. Kahn, “A protocol for packet network intercommunication”, IEEE Trans. Comm. Tech., vol. COM-22, V 5, pp. 627-641, May 1974. 8 The desirability of email interchange, however, led to one of the first “Internet books”: !%@:: A Directory of Electronic Mail Addressing and Networks, by Frey and Adams, on email address translation and forwarding. 9 Originally named Federal Research Internet Coordinating Committee, FRICC. The FRICC was originally formed to coordinate U.S. research network activities in support of the international coordination provided by the CCIRN. 10 The decommissioning of the ARPANET was commemorated on its 20th anniversary by a UCLA symposium in 1989.

P. Baran, “On Distributed Communications Networks”, IEEE Trans. Comm. Systems, March 1964. V. G. Cerf and R. E. Kahn, “A protocol for packet network interconnection”, IEEE Trans. Comm. Tech., vol. COM-22, V 5, pp. 627-641, May 1974. S. Crocker, RFC001 Host software, Apr-07-1969. R. Kahn, Communications Principles for Operating Systems. Internal BBN memorandum, Jan. 1972. Proceedings of the IEEE, Special Issue on Packet Communication Networks, Volume 66, No. 11, November 1978. (Guest editor: Robert Kahn, associate guest editors: Keith Uncapher and Harry van Trees) L. Kleinrock, “Information Flow in Large Communication Nets”, RLE Quarterly Progress Report, July 1961. L. Kleinrock, Communication Nets: Stochastic Message Flow and Delay, Mcgraw-Hill (New York), 1964. L. Kleinrock, Queueing Systems: Vol II, Computer Applications, John Wiley and Sons (New York), 1976 J.C.R. Licklider & W. Clark, “On-Line Man Computer Communication”, August 1962. L. Roberts & T. Merrill, “Toward a Cooperative Network of Time-Shared Computers”, Fall AFIPS Conf., Oct. 1966. L. Roberts, “Multiple Computer Networks and Intercomputer Communication”, ACM Gatlinburg Conf., October 1967.

Barry M. Leiner was Director of the  Research Institute for Advanced Computer Science . He passed away in April 2003. Vinton G. Cerf  is Vice President and Chief Internet Evangelist at  Google . David D. Clark  is Senior Research Scientist at the  MIT Laboratory for Computer Science . Robert E. Kahn  is President of the  Corporation for National Research Initiatives . Leonard Kleinrock  is a Distinguished Professor of Computer Science at the University of California, Los Angeles, and is a Founder of Linkabit Corp., TTI/Vanguard,  Nomadix Inc., and Platformation Inc. Daniel C. Lynch  is a founder of the  Interop networking trade show and conferences . Jon Postel  served as Director of the Computer Networks Division of the  Information Sciences Institute  of the University of Southern California until his untimely death October 16, 1998. Dr. Lawrence G. Roberts was CEO, President, and Chairman of Anagran, Inc . He passed away in December 2019. Stephen Wolff  is Principal Scientist of  Internet2 .

English Compositions

Short Essay on Advantages and Disadvantages of the Internet [100, 200, 400 Words] With PDF

In this lesson, you will learn how you can write short essays on the advantages and disadvantages of the Internet. I will write three sets of sample essays here in very simple words for a better understanding of all kinds of students. 

Table of Contents

Short essay on advantages and disadvantages of the internet in 100 words, short essay on advantages and disadvantages of the internet in 200 words, short essay on advantages and disadvantages of the internet in 400 words.

Today any mode of communication happens through the use of the internet. The internet is a gigantic network that connects the entire world and brings the world into our grip. We are aware of everything because of the internet. It has its own merits and demerits. If we think of the advantages of the internet then there are many.

It helps us to connect, learn, contact, and also send messages to the farthest places. Without it, we are simply blind. Again excessive use of the internet is dangerous. It creates an addiction in users and pulls them towards harmful circles. Their lives are destroyed. Too much internet can create mental disorders. So we must be careful in using this useful product and maintain our own safety.

Today modern systems are controlled by the Internet. Without it, we can’t even lead our basic needs. The Internet is a huge global network system that has the following advantages and disadvantages.

The Internet provides us with faster communication to connect with anyone using different calling modes. Businesses are getting benefited because of the communication facility provided by the internet. The internet is now helping in online education as well. Students can now access many books online without spending a penny. Trade and commerce are easier now. Also, we are receiving information every day through online news. Online banking, ordering foods, clothes, medicines, and groceries, all have become easier due to the internet facility.

However, every boon has its own disadvantages as well. Due to excess use of the internet people are becoming lazy and homebound. The greatest problem with the internet is the lack of privacy. At any moment private information can be leaked and exploited to harm others. Youngsters are getting into unnecessary addiction to online games and dangers. Frauds and online looting are daily incidents. Bank details are often getting destroyed and misused. 

Hence we must remember science is supposed to be a boon and not a curse. Humans are given the power to control the world of the Internet and save others from its exploitation. The internet must be used for overall well-being without any harm

The Internet is one of the most useful and important communication setups in our lives. By the internet, we mean a huge global connecting system or a network that joins everyone together in one string. The Internet has lots of facilities as well as disadvantages. Like any scientific invention, it helps in several ways and also destroys our lives. The following advantages and disadvantages are described. 

The greatest gift that the internet has given us is the facility to communicate easily with anyone around the world. Earlier it was impossible to even think about this. But now with the help of the internet, we can chat, make video calls, send voice messages, and also entertain ourselves with different sorts of communication applications. Huge business organisations and other setups are getting lots of facilities due to the internet.

The internet again is used for education. Today online education is a way of learning. Due to the internet, one can surf through Wikipedia and different documents available online and get knowledge of several things in the world. Lots of expensive books can be accessed online through the internet. So it enables many poor children to learn better.

Banking is one of the significant aspects of the internet. Earlier people has to stand in long queues and wait for banking work to be done. But now just sitting at home, one can do any bank work through the internet. Receiving groceries and medicine of any kind online is more accessible due to internet availability. 

However, the internet has several disadvantages and dangerous consequences. The world is extremely open through the internet and so anything can happen at any time. Youngsters get addicted to online games which harms them mentally and physically. They forget their studies and get involved completely in the world of the internet and suffer from severe depression and their future is destroyed. 

Online theft and fraud cases are quite common on the internet. Nowadays all official documents are available online and hence due to online fraud, many people lose their hard-earned money. Banking frauds can also create dangerous results. 

The Internet is also a place with no privacy. So people are criticized often and as a result many commit suicide for trolling. People become extremely harsh on the Internet and this lack of care for the other person pulls them away from nature. 

So it is always advisable to use the internet with caution. Anything that is good can create a disaster at any moment. So a humble use of the internet is the best choice.

Hopefully, after going through this lesson, you have a holistic idea of this topic. If you still have any doubts regarding this context, kindly keep me posted through some quick comments below.

Thank you. 

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• Internet Essay

Essay on Internet

Introduction.

The Internet is a system of interconnection of computer networks that link several billion devices worldwide. It is a global network of networks that consists of millions of non-public, public, academic, business and government packet-switched networks, joined by a broad array of electronic, wireless and optical networking technologies. The Internet carries an intensive variety of information resources and services, like applications of the world wide web (www), the infrastructure to support email, peer-to-peer networks for file sharing and telephony. It has become an important part of our life and we cannot live without it. The Internet can be called the discovery of man that has revolutionized his style of working and living.

The Internet was started as the creation of a small band of dedicated researchers and has grown to be a commercial success with billions of dollars of annual investments. It has completely reduced distance, minimized all limitations and made our world relatively a smaller place. The Internet has brought information to our doorstep at the click of a button. The Internet revolutionized the computer and world of communication like never before.

Advantages of Internet

The Internet is replete with countless advantages. It has made possible man’s access to countless websites, information programs, scientific discoveries, global political, social, economic and cultural developments and happenings, libraries, entertainment and much more. 

The Internet boom in India has become one of the major contributors to the economic growth of the country. It has revolutionized the metros, the towns and the villages. The Internet has contributed massively to the employment sector across the country. The need for professionals has increased who would feed the information into the web. Content writing and management, web page designing, Internet advertisements have become booming sectors within the IT industry.

In the education field, learners can coordinate projects with classrooms all over the globe. Students across the globe do research works online and all information related to research is accessible on the web at the touch of a button. Not only for the students, but the Internet has also become an incredible tool for job seekers. 

The Internet is being used for finding people, places or information on any subject. One can use the directory services to search phone books of any country together with zip codes. People are connecting with friends and families by exchanging emails to facilitate letter-writing, keeping down the cost of phone calls.

In the field of travel, cities, towns, states and countries are using the web to post detailed tourist and event information. Travelers can easily find information on weather, maps, timings for events and transportation schedules and buy tickets to various tourists’ spots.

Today the Internet is used for shopping, paying utility bills, credit card bills, admission fees, E-commerce, online banking facility. In the world of marketing and sales, companies are marketing and selling their products and creating brands over the net. 

Patients and doctors keep up-to-date with the latest medical findings, share treatment information and give one another support in medical problems. 

Furthermore, people are also finding partners through matchmaking sites. 

Today, people are doing financial research; trading like buying and selling stock and investing money. 

However, the Internet has some setbacks too, which is a threat to the entire mankind. People, especially youngsters are getting addicted to the Internet and thus causing problems to their health. It is making this generation lazy. Internet hackers are on the rise, creating nuisance in the world of business and communication. There are a lot of thefts, frauds and unscrupulous businesses cropping up that are taking undue advantage of innocent people. Anti-social elements of society and cybercrime are also using the Internet against humanity. 

Internet is a great tool that man has discovered but its wrong use and negative impact must be minimized.

FAQs on Internet Essay

1. What is the Internet?

The Internet is a computerized network of information. It is a system of interconnection of computer networks that link several billions of devices. The global system of interconnected computer networks, popularly known as, the internet brings the internet protocol suite, that is, TCP/IP into use to communicate between networks and devices. This network consists of private, academic, public, government and business networks that range from local scope to global scope linked by technologies including wireless, electronic and optical networking. There is a broad range of information resources and services on the internet. These resources include the world wide web (www), telephony, electronic mails, file sharing, and interlinked hypertext documents.

2. What are the Advantages of the Internet?

The Internet has brought information to our doorstep. It has made possible man’s access to countless websites, information programs, scientific discoveries, global political, social, economic and cultural developments and happenings, libraries, entertainment and much more. The spread of the internet across the globe has increased connectivity, communication, and sharing between people. With the accessibility of all kinds of languages, the internet has now become a hub of information, knowledge, and learning for people of all ages and all backgrounds. Internets also now act as an address book as they provide the contact information of people through social networking websites. The Internet has now also become a platform for selling all kinds of items and making money through it without much investment. Therefore, the internet facilitates business opportunities for many people. The Internet is now also used for entertainment purposes, banking, payment of bills, shopping, donations and funds, cloud computing, and cloud storage. In recent times, we have also seen how the internet has made work from home, collaboration, and access to the global workforce an easy possibility.

3. What are the Disadvantages of the Internet?

Some of the disadvantages of the Internet: people especially, the youngsters are getting highly addicted to the Internet. There are a lot of thefts, fraudulent activities and unscrupulous business happening, which have become a threat to humankind. The main disadvantages of the widespread use of the internet are:

The Internet is an addiction that causes distraction, affects focus and patience, and wastes the time of students when not used for the right purposes.

Bullying, trolling and stalking have now become a common task for people due to the Internet.

The Internet has also increased the crime rates in the country.

There are a lot of spam emails and advertisements that flourish throughout the internet.

Internet is also now made a tool for pornography and violent images.

With the internet, now everyone is connected to their work every time. There is no holiday or family time left now.

Internets have also made identity thefts, hacking, and cheating possible.

It is also a proven fact that since people spend the majority of their time sitting over the internet, it has greatly increased health issues and obesity in people.

People most often end up buying things that they don't need because of exchange policy and net banking.

The Internet is surely not a safe place for children to spend their time.

4. How has the Internet Become a Boon to India?

The Internet in India has made revolutionary changes in the metros, small towns and villages. It has created a plethora of job opportunities. The rise in the use of the Internet has led to the growth of cyber cities, cyber cafes and Internet parlors across the country. The main advantages of the widespread use of the internet are:

The Internet has made connectivity, communication, and sharing of documents and related data very easy.

The Internet is a library of information, knowledge, and learning for people of all ages and from all fields.

The Internet has facilitated online shopping, thereby giving business opportunities to many entrepreneurs.

Apart from business, there are various jobs available over the internet.

With the advent of net banking and mobile banking, the internet has made banking-related jobs easy.

The Internet has now become one of the biggest sources of entertainment with thousands of web series, movies, and shows.

The widespread use of the internet has made work from home job opportunities possible and easy.

It has also grown possibilities of collaboration and access to a global workforce for businesses.

Cloud computing and cloud storage facilities have increased access to data across multiple devices. 

5. How has the Internet made our life easier and convenient?

The widespread usage of the internet in all corners of the world has made our lives more convenient as compared to the times when there was no internet. Earlier, people used to stand in long queues for any of their work whether it was to send letters to their loved ones, book movie tickets, train tickets, flight tickets, or for bank-related work like withdrawing money and depositing money. Now, all this work can be done over the internet without the need to stand in queues and wait. Emails and chat applications have completely stopped the trend of sending letters. Booking tickets for any purpose is now easily done from the comfort of home using a mobile phone or laptop. Also, net banking and phone banking services have minimized the need for a person to go to the bank for any purpose. Surely, the internet has made lives much easier than they otherwise were.

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The Internet as a Blessing to Human Kind, Essay Example

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Current studies show that the internet has become a greater part of day-to-day life, as it has brought about greater conveniences and positive implications on how people interact, relates, research and live (Risen 1). Still, the internet has taken away the human element of living, as well as made relationships increasingly shallow, according to a recent study by the Pew Research Center. This essay takes the perspective that the internet is good.

The internet has strengthened human interaction and relationships. Indeed, a survey of the literature shows that considerable debate exists in regards to whether the internet has strengthened or weakened human relationships. A recent survey by the Pew Research Center established that the Internet had indeed strengthened human relationships. Sixty-seven percent of those surveyed agreed that interaction through the social media had enabled them to initiate and even sustain relationships over a distance (Risen 1). The internet presents instant and timely information to users and is available 24 hours a day, seven days a week.

The internet has increased faster access to information. For instance, the social media enables users to share information and knowledge online (Baruah 1). This has facilitated faster access to information at an extremely fast rate and over large distances. The internet has a capacity to store large amounts of information that internet users can search or disseminate information cost-effectively. The information, especially those published in open-source websites, become readily available to practically anyone who can access the internet.

The internet has facilitated more reliable and convenient trade and commerce. It has presented an opportunity for small businesses to advertise themselves. It has also created a global virtual community where the small businesses compete with the more established enterprises (Kiang and Chi 157-8). As a commercial media, the internet has brought about new forms of businesses, such as electronic commerce, which allows consumers to buy products more conveniently from a seller overseas. Examples of online commerce enterprises that have eased online purchases include Amazon and Alibaba. At the same time, payments for large transactions can be done online through online payment systems, such as PayPal.

The internet has also strengthened the relationship between businesses and consumers, as it enables them to have a direct contact. Businesses maintain social media accounts, such as Facebook that enable them manage their relationships with the consumers (Kiang and Chi 157). Through a platform like Facebook, consumers can express their concerns regarding faulty services or products. The business also communicates directly with its consumers and can use the social media to study the consumer trends and preferences. Businesses that maintain social media accounts have a greater competitive advantage. The internet’s capacity for interactivity and the capability to provide information on demand has provided business with more insightful and convenient means of communicating with customers more than the traditional catalogues.

The internet has also increased access to quality learning. It has enabled teachers to use wider information and visual data, such as animation, graphics, video and slides to improve student’s learning experience (Brändström 11). For instance, during a study on birds, students can access the pictures of the birds on the internet without having to travel distances to sight them. The internet has also brought about online learning, which enables people to access cost-effective distance learning programs at reputable universities (Tuong 61). These online courses offer individuals of all age groups to pursue the education of their choice, based on their preference. They provide better convenience, as the online courses can be pursued at one’s own convenient time, whether one is a professional or a housewife. This also means that the internet has made education more accessible. The internet also provides a rich source of information for student’s researches. Indeed, the internet is a useful resource for students who need to complete research projects, given that it contains unlimited information covering almost all subjects. Searching information online is much faster and more convenient than scheming through books (Brändström 11).

The internet also provides affordable entertainment to users. In all, the internet has brought about new forms of entertainment due to its capability to integrate all the other forms of media, such as videos, audios, and visuals. Today, the Internet is mostly used for entertainment. In fact, the internet has gained much popularity due to its unlimited forms of entertainment, whether music, movies, books and television series. The internet also provides entertainment news to users (Pakhare 1). For instance, it offers users access to the latest information or gossip on celebrities or a line-up of entertainment options. The celebrities also use the entertainment to promote their causes or advertise their line-up of events. In the tourism industry, the internet provides unprecedented forms of information on the travel options, including luxuriant resorts and lodges of a target tourism destination (Baruah 2-4). Additionally, users can play online games or even download games at no charge or affordable prices. In fact, online games have witnessed phenomenal successes due to their increased demand across the globe. The internet also offers biographies of political personalities, speeches, archive photographs, and videos.

The internet also enables faster, affordable and more convenient research through online surveys. The traditional research methods are typically slow and costly relative to the online surveys. For instance, while looking to establish the customer needs or how a company’s products need to be designed in future, businesses can compile questionnaires and send to a list of addresses of the customers (Pakhare 1). Traditionally, the success of such an exercise would be costly since questionnaires would have to be mailed to each customer through their postal addresses. Additionally, it would take more time. Conversely, the internet automates the entire process as businesses can just create a CGI script for use in conducting online surveys. At the same time, the results of the online surveys automatically updates to a database (Kiang and Chi 157-9).

The internet is indeed good. It has strengthened human interaction and relationships. It has increased faster access to information. Additionally, it has facilitated reliable and convenient trade and commerce. The internet has also strengthened the relationship between businesses and consumers. The internet has also increased access to quality learning as it has enabled teachers and learners to access and use wider information and visual data. It also provides affordable entertainment to users as it has paved the way for new forms of entertainment due to its capability to integrate all the other forms of media, such as videos, audios, and visuals. The internet also enables faster, affordable and more convenient research through online surveys. Overall, these advantages mainly result from the capacity of the internet to reach a global audience, to operate at all times during the day and night, to integrate various forms of multimedia, and lastly their nature of being relatively inexpensive to access and public information.

Works Cited

Baruah, Trisha. “Effectiveness of Social Media as a tool of communication and its potential for technology enabled connections: A micro-level study.” International Journal of Scientific and Research Publications 2.5 (2012): 1-10

Brändström, Camilla, “Using the Internet in Education – Strengths and Weaknesses,” 2011. 30 April 2015, <http://www.diva-portal.org/smash/get/diva2:438827/FULLTEXT01.pdf>

Kiang, Melody and Chi, Robert. “A Framework for Analyzing The Potential Benefits Of Internet Marketing.” Journal of Electronic Commerce Research 2.4 (2001): 157-163

Pakhare, Jayashree. “Advantages and Disadvantages of the Internet,” 2014. 30 April 2015, <http://www.buzzle.com/articles/advantages-disadvantages-internet.html>

Risen, Tom. “Is the Internet Bad for Society and Relationships?” US News, 2014.  30 April 2015, <http://www.usnews.com/news/blogs/data-mine/2014/02/27/is-the-internet-bad-for-society-and-relationships>

Tuong, Vu. “Advantages and disadvantages of using computer network technology in language teaching.” Tp chÝ Khoa Häc Hqghn 8.2 (2005): 61-66

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How does the Internet work?

This article discusses what the Internet is and how it works.

The Internet is the backbone of the Web, the technical infrastructure that makes the Web possible. At its most basic, the Internet is a large network of computers which communicate all together.

The history of the Internet is somewhat obscure . It began in the 1960s as a US-army-funded research project, then evolved into a public infrastructure in the 1980s with the support of many public universities and private companies. The various technologies that support the Internet have evolved over time, but the way it works hasn't changed that much: Internet is a way to connect computers all together and ensure that, whatever happens, they find a way to stay connected.

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Deeper dive

A simple network.

When two computers need to communicate, you have to link them, either physically (usually with an Ethernet cable ) or wirelessly (for example with Wi-Fi or Bluetooth systems). All modern computers can sustain any of those connections.

Note: For the rest of this article, we will only talk about physical cables, but wireless networks work the same.

Such a network is not limited to two computers. You can connect as many computers as you wish. But it gets complicated quickly. If you're trying to connect, say, ten computers, you need 45 cables, with nine plugs per computer!

To solve this problem, each computer on a network is connected to a special tiny computer called a router . This router has only one job: like a signaler at a railway station, it makes sure that a message sent from a given computer arrives at the right destination computer. To send a message to computer B, computer A must send the message to the router, which in turn forwards the message to computer B and makes sure the message is not delivered to computer C.

Once we add a router to the system, our network of 10 computers only requires 10 cables: a single plug for each computer and a router with 10 plugs.

A network of networks

So far so good. But what about connecting hundreds, thousands, billions of computers? Of course a single router can't scale that far, but, if you read carefully, we said that a router is a computer like any other, so what keeps us from connecting two routers together? Nothing, so let's do that.

By connecting computers to routers, then routers to routers, we are able to scale infinitely.

Such a network comes very close to what we call the Internet, but we're missing something. We built that network for our own purposes. There are other networks out there: your friends, your neighbors, anyone can have their own network of computers. But it's not really possible to set cables up between your house and the rest of the world, so how can you handle this? Well, there are already cables linked to your house, for example, electric power and telephone. The telephone infrastructure already connects your house with anyone in the world so it is the perfect wire we need. To connect our network to the telephone infrastructure, we need a special piece of equipment called a modem . This modem turns the information from our network into information manageable by the telephone infrastructure and vice versa.

So we are connected to the telephone infrastructure. The next step is to send the messages from our network to the network we want to reach. To do that, we will connect our network to an Internet Service Provider (ISP). An ISP is a company that manages some special routers that are all linked together and can also access other ISPs' routers. So the message from our network is carried through the network of ISP networks to the destination network. The Internet consists of this whole infrastructure of networks.

Finding computers

If you want to send a message to a computer, you have to specify which one. Thus any computer linked to a network has a unique address that identifies it, called an "IP address" (where IP stands for Internet Protocol ). It's an address made of a series of four numbers separated by dots, for example: 192.0.2.172 .

That's perfectly fine for computers, but we human beings have a hard time remembering that sort of address. To make things easier, we can alias an IP address with a human-readable name called a domain name . For example (at the time of writing; IP addresses can change) google.com is the domain name used on top of the IP address 142.250.190.78 . So using the domain name is the easiest way for us to reach a computer over the Internet.

Internet and the web

As you might notice, when we browse the Web with a Web browser, we usually use the domain name to reach a website. Does that mean the Internet and the Web are the same thing? It's not that simple. As we saw, the Internet is a technical infrastructure which allows billions of computers to be connected all together. Among those computers, some computers (called Web servers ) can send messages intelligible to web browsers. The Internet is an infrastructure, whereas the Web is a service built on top of the infrastructure. It is worth noting there are several other services built on top of the Internet, such as email and IRC .

Intranets and Extranets

Intranets are private networks that are restricted to members of a particular organization. They are commonly used to provide a portal for members to securely access shared resources, collaborate and communicate. For example, an organization's intranet might host web pages for sharing department or team information, shared drives for managing key documents and files, portals for performing business administration tasks, and collaboration tools like wikis, discussion boards, and messaging systems.

Extranets are very similar to Intranets, except they open all or part of a private network to allow sharing and collaboration with other organizations. They are typically used to safely and securely share information with clients and stakeholders who work closely with a business. Often their functions are similar to those provided by an intranet: information and file sharing, collaboration tools, discussion boards, etc.

Both intranets and extranets run on the same kind of infrastructure as the Internet, and use the same protocols. They can therefore be accessed by authorized members from different physical locations.

• How the Web works
• Understanding the difference between a web page, a website, a web server and a search engine
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The internet and the first amendment.

We explore the upcoming legal rulings that will shape online life.

By David McCabe

I cover technology policy.

Here is a puzzle at the center of online life: How should we balance freedom of speech with the flood of slanderous statements, extremist manifestoes and conspiracy theories that proliferate on the internet? The United States decided decades ago to let private companies solve that quandary themselves. The Supreme Court made this position official in three major rulings in the 1990s and early 2000s.

But lawmakers aren’t sure about this arrangement, now that giant online platforms are the new town square. The left says Facebook, YouTube, TikTok and the rest should take more content down, especially hate speech and disinformation. The right says the companies, which removed posts about Covid and the 2020 election, shouldn’t set the rules for discussions about politics and culture.

Now a series of federal court cases will address these questions. Supreme Court justices will decide a few in the next month or two. In today’s newsletter, I’ll explain how those cases could change the way the First Amendment functions in the internet era.

The decisions

Courts have faced six broad questions about online speech. The Supreme Court has ruled on two of them.

When can social media sites be sued over what users post? Rarely. Two Supreme Court rulings last year kept protections in place for websites from most lawsuits related to content posted by users. Relatives of victims of terrorist attacks had argued that Google and Twitter should be legally responsible for content posted by the Islamic State. The justices disagreed.

Can government officials block constituents on social media? Sometimes. The Supreme Court ruled in March that public officials can’t stop a constituent from commenting on their posts if they are acting in their role as political officeholders.

The questions

Four other philosophical questions are still in progress.

Can the government force social media sites to host political content? Twitter, YouTube and Facebook suspended Donald Trump in 2021 after the Jan. 6 riot. Then Florida and Texas passed laws designed to restrict such moves. The Supreme Court will soon rule on those laws, and the justices appeared skeptical of them during oral arguments in February, my colleague Adam Liptak reported.

When can the United States push social media sites to remove content? The government prodded social media services to take down certain posts related to Covid and elections. Missouri, Louisiana and five individuals argued that’s a violation of the First Amendment. They say the government used private companies to stifle a specific viewpoint. The Supreme Court seemed wary of the lawsuit in March. The justices’ skepticism of conservatives’ argument is a sign of how complex it is to draw boundaries in this area of the law.

Can the government restrict access to online pornography? Texas passed a law last year that requires adult sites to check the age of their visitors. Parents can sue sites if the sites fail to do so and their child views pornography. If the law stands, adults will need to reveal their identity to pornography sites instead of remaining anonymous. The sites say this puts a barrier between adults and speech they have a right to view under the Constitution. The case is now in federal appeals court.

Can the government ban a foreign-owned social media platform? President Biden signed a law in April that will ban TikTok unless it is sold by its Chinese parent company, citing national security. TikTok says the measure curtails free speech rights — both its own and its users’. Federal courts are planning to hear the case this year. If they uphold the law, it will affirm the federal government’s right to eliminate a platform for speech in the national interest. If judges strike it down, it may allow news and social media sites to serve Americans even when they are owned by a company from an enemy nation.

What this means for users

With this many kinds of cases, the range of outcomes is vast. If the courts decide the status quo is wrong, internet platforms might limit what you can post — or take down more of it — just to be sure they are complying with the laws.

Another possibility: The courts could decide that they got this question right the first time they considered it, 30 years ago. Free speech online might not change much. But private companies would now formally be entrenched as its arbiter.

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Mikhail Lukin (left) and Can Knaut with a quantum network node.

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Glimpse of next-generation internet

Physicists demo first metro-area quantum computer network in Boston

Anne J. Manning

Harvard Staff Writer

It’s one thing to dream up a next-generation quantum internet capable of sending highly complex, hacker-proof information around the world at ultra-fast speeds. It’s quite another to physically show it’s possible.

That’s exactly what Harvard physicists have done, using existing Boston-area telecommunication fiber, in a demonstration of the world’s longest fiber distance between two quantum memory nodes. Think of it as a simple, closed internet carrying a signal encoded not by classical bits like the existing internet, but by perfectly secure, individual particles of light.

The  groundbreaking work , published in Nature, was led by Mikhail Lukin, the Joshua and Beth Friedman University Professor in the Department of Physics, in collaboration with Harvard professors  Marko Lončar  and  Hongkun Park , who are all members of the  Harvard Quantum Initiative . The Nature   work was carried out with researchers at  Amazon Web Services .

The Harvard team established the practical makings of the first quantum internet by entangling two quantum memory nodes separated by optical fiber link deployed over a roughly 22-mile loop through Cambridge, Somerville, Watertown, and Boston. The two nodes were located a floor apart in Harvard’s Laboratory for Integrated Science and Engineering.

Map showing path of two-node quantum network through Boston and Cambridge.

Credit: Can Knaut via OpenStreetMap

Quantum memory, analogous to classical computer memory, is an important component of a quantum computing future because it allows for complex network operations and information storage and retrieval. While other quantum networks have been created in the past, the Harvard team’s is the longest fiber network between devices that can store, process, and move information.

Each node is a very small quantum computer, made out of a sliver of diamond that has a defect in its atomic structure called a silicon-vacancy center. Inside the diamond, carved structures smaller than a hundredth the width of a human hair enhance the interaction between the silicon-vacancy center and light.

“Showing that quantum network nodes can be entangled in the real-world environment of a very busy urban area is an important step toward practical networking between quantum computers.” Mikhail Lukin

The silicon-vacancy center contains two qubits, or bits of quantum information: one in the form of an electron spin used for communication, and the other in a longer-lived nuclear spin used as a memory qubit to store entanglement, the quantum-mechanical property that allows information to be perfectly correlated across any distance.

(In classical computing, information is stored and transmitted as a series of discrete binary signals, say on/off, that form a kind of decision tree. Quantum computing is more fluid, as information can exist in stages between on and off, and is stored and transferred as shifting patterns of particle movement across two entangled points.)

Using silicon-vacancy centers as quantum memory devices for single photons has been a multiyear research program at Harvard. The technology solves a major problem in the theorized quantum internet: signal loss that can’t be boosted in traditional ways.

A quantum network cannot use standard optical-fiber signal repeaters because simple copying of quantum information as discrete bits is impossible — making the information secure, but also very hard to transport over long distances.

Silicon-vacancy-center-based network nodes can catch, store, and entangle bits of quantum information while correcting for signal loss. After cooling the nodes to close to absolute zero, light is sent through the first node and, by nature of the silicon vacancy center’s atomic structure, becomes entangled with it, so able to carry the information.

“Since the light is already entangled with the first node, it can transfer this entanglement to the second node,” explained first author Can Knaut, a Kenneth C. Griffin Graduate School of Arts and Sciences student in Lukin’s lab. “We call this photon-mediated entanglement.”

Over the last several years, the researchers have leased optical fiber from a company in Boston to run their experiments, fitting their demonstration network on top of the existing fiber to indicate that creating a quantum internet with similar network lines would be possible.

“Showing that quantum network nodes can be entangled in the real-world environment of a very busy urban area is an important step toward practical networking between quantum computers,” Lukin said.

A two-node quantum network is only the beginning. The researchers are working diligently to extend the performance of their network by adding nodes and experimenting with more networking protocols.

The paper is titled “Entanglement of Nanophotonic Quantum Memory Nodes in a Telecom Network.” The work was supported by the AWS Center for Quantum Networking’s research alliance with the Harvard Quantum Initiative, the National Science Foundation, the Center for Ultracold Atoms (an NSF Physics Frontiers Center), the Center for Quantum Networks (an NSF Engineering Research Center), the Air Force Office of Scientific Research, and other sources.

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