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Internet
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References & Edit History Quick Facts & Related Topics
Images, Videos & Interactives
Britannica's 21st-Century Technology Timeline
How does the Internet really work?
How was the Internet invented?
What is net neutrality?
What is the dark web?
website for Pegasus spyware activist protesting the murder of Jamal Khashoggi
How to tackle cyberbullying
Discover how internet English affects the spoken English language
For Students
Internet summary
Quizzes
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
What Do You Actually Know About the Internet?
Related Questions
Read Next
multiple exposures, depiction of deep web, internet
What’s the Difference Between the Deep Web and the Dark Web?
Screen with https for internet security. (encryption, privacy, websites)
Inventions that Helped Shape How We Interact with Knowledge and Information
Binary Computer Code, Binary Code, Internet, Technology, Password, Data
How Does Wi-Fi Work?
Multi-ethnic group of people sitting on an urban bridge text messaging and sharing smart phone content.
Pro and Con: Is the Internet Making Us Stupid?
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
Who Invented the Internet?
Discover
Adolf Hitler (Nazi, nazism, German leader).
9 Things You Might Not Know About Adolf Hitler
Christopher Columbus arriving in the New World, 1492. Columbus presents gifts to the first natives to greet him on his landing in America. Columbus set out to discover a westward route to Asia. (Native Americans, colonization of the Americas)
Columbus Day and Its Discontents
Duel between Aaron Burr and Alexander Hamilton, illustration after a painting by J. Mund.
10 Famous Duels
halloween, jack o lantern, pumpkin, gourd
Why Do We Carve Pumpkins at Halloween?
United States Electoral College votes by state
How Many Electoral College Votes Does Each U.S. State Have?
Small, white rat (genus Rattus) on a glass table. (rodent, laboratory, experiment)
Cruel and Unusual Punishments: 15 Types of Torture
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained

Internet: Facts & Related Content

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Written and fact-checked by
The Information Architects of Encyclopaedia Britannica

The Information Architects maintain a master list of the topics included in the corpus of  Encyclopædia Britannica, and create and manage the relationships between them.
The Information Architects of Encyclopaedia Britannica
The Internet is a global network of interconnected computers and devices that allows for the exchange and sharing of information. It was originally developed as a communication tool for researchers and scientists but has since evolved into a vital part of everyday life for billions of people around the world. The Internet enables users to access websites, send emails, stream videos, engage in social media, and much more. It has revolutionized industries, facilitated global connectivity, and transformed the way we communicate, learn, and conduct business.

Top Questions

Who are considered the primary inventors of the Internet?
Vinton Cerf and Robert Kahn are considered the primary inventors of the Internet, particularly for their development of the TCP/IP protocols.
When is the "official" birthday of the Internet?
The "official" birthday of the Internet is January 1, 1983, the day ARPANET and the Defense Data Network officially adopted the TCP/IP protocol.
What was ARPANET and why was it significant?
ARPANET was the Advanced Research Projects Agency Network, an early packet-switching network and the first network to implement the TCP/IP protocol suite, which laid the groundwork for the modern Internet.
What was the first message ever sent over the ARPANET?
The first message sent over the ARPANET was "LOGIN," but the system crashed after the first two letters, so only "LO" was transmitted.
What is the significance of the TCP/IP protocol?
The TCP/IP protocol is significant because it enabled different networks to communicate with each other, forming the basis for the modern Internet.

Did You Know?

  • The term "spam" for unsolicited emails originated from a sketch by the British comedy group Monty Python.
  • The first item sold on eBay was a broken laser pointer for $14.83.
  • The world's first website, created by Tim Berners-Lee, is still online.
  • The term "Wi-Fi" doesn't actually stand for anything; it's a marketing term.

Photos and Videos

website for Pegasus spyware
activist protesting the murder of Jamal Khashoggi
How does the Internet really work?
How was the Internet invented?
What is net neutrality?
What is the dark web?
How to tackle cyberbullying
See All Videos, Images and Interactives →

Related Topics and References

Topics
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Related Quizzes and Features

Quiz
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
What Do You Actually Know About the Internet?
Demystified
Binary Computer Code, Binary Code, Internet, Technology, Password, Data
How Does Wi-Fi Work?
Internet http://www blue screen. Hompepage blog 2009, history and society, media news television, crowd opinion protest, In the News 2009, breaking news
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multiple exposures, depiction of deep web, internet
What’s the Difference Between the Deep Web and the Dark Web?