The document discusses the history and development of the Internet. It began in the late 1960s as a small network connecting 4 universities that grew rapidly. By the 1990s, the Internet was commercialized and widely available to the public. The Internet is a global system of interconnected computer networks that use common communication standards to link devices worldwide. Information is transmitted through packets routed between nodes and networks using routing tables. The Internet provides access to a vast amount of information and allows for communication around the world.