The strands of today’s Internet stretch back to the early 1960s, when computer scientists began brainstorming a system for researchers, educators, and government agencies to share information through their computers. Officials in the United States government saw the value of a network of linked computers that would continue to operate even if bits of it were blasted in a war. The U.S. Department of Defense funded research into an early network known as the ARPANET, which, over time and through many upgrades, evolved into the modern Internet and the World Wide Web (the system of linked pages that most people browse on the Internet). What started as a link between four computers has grown into a network of at least 75 million servers.
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