https://www.newsdemon.com/history-of-usenet-newsgroups-what-is-the-usenet-from-newsdemon-6
History of Usenet Newsgroups: What is the Usenet from NewsDemon.com
The complexity of Usenet and newsgroups makes it difficult to really define how it really works. Since there is no central authority or 'hub', Usenet adds to
history of usenetnewsgroupsnewsdemon