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History and future of the internet. The Internet, the global computer network, which embraces millions of users all over the world, was originally formed in 1970s as a military experiment. It was designed to survive a nuclear war. When information is sent over the Internet, it takes the shortest path available from one computer to another. Because of this, any two computers on the Internet can stay in touch with each other as long as there is a single route between them. This technology is called packet switching.