![]() ![]() Users read and post messages (called articles or posts, and collectively termed news) to one or more categories, known as newsgroups. Tom Truscott and Jim Ellis conceived the idea in 1979, and it was established in 1980. It was developed from the general-purpose Unix-to-Unix Copy (UUCP) dial-up network architecture. Usenet ( / ˈ j uː z n ɛ t/) is a worldwide distributed discussion system available on computers. Arrows between clients and servers indicate that a user is subscribed to a certain group and reads or submits articles. Arrows between servers indicate newsgroup group exchanges (feeds). ![]() The blue, green, and red dots on the servers represent the groups they carry. ![]()
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