People post their thoughts as articles to newsgroups that are organized by topics.
There are more than 10,000 newsgroups. Because of the number of newsgroups and articles within newsgroups, most articles are kept on the system for 4 to 6 days only. Therefore, if you want to keep current with a discussion, you will need to read the newsgroup regularly. OIT announcements are kept for a month. Newsgroups are organized into threads consisting of articles sharing the same subject .