The Internet is a global system of interconnected computer networks that use its own set of protocols (Internet Protocol Suite or TCP/IP) with the purpose of progressively serving users all over the world.
It is a network of many other networks, consisting of millions of private, public, academic and government companies, with local and global reach and that are linked by a wide variety of electronic, wireless and optical networking technologies.
The internet brings a wide range of information resources and services, such as the interrelated hypertext documents of the World Wide Web (WWW), peer-to-peer networks and e-mail support infrastructure (emails).
The origins of the internet can be traced back to research commissioned by the United States government in the 1960s to build a robust and flawless way of communicating over computer networks. While this work, along with projects in the UK and France, led to the creation of important precursor networks, it did not create the internet. There is no consensus on the exact date the modern internet emerged, but it was sometime in the mid-1980s.
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