Usenet Newsgroup - Types of Newsgroups

Types of Newsgroups

Newsgroups generally come in either of two types, binary or text. There is no technical difference between the two, but the naming differentiation allows users and servers with limited facilities to minimize network bandwidth usage. Generally, Usenet conventions and rules are enacted with the primary intention of minimizing the overall amount of network traffic and resource usage. Typically, the newsgroup is focused on a particular topic of interest. Some newsgroups allow the posting of messages on a wide variety of themes, regarding anything a member chooses to discuss as on-topic, while others keep more strictly to their particular subject, frowning on off-topic postings. The news admin (the administrator of a news server) decides how long articles are kept on his server before being expired (deleted). Different servers will have different retention times for the same newsgroup; some may keep articles for as little as one or two weeks, others may hold them for many months. Some admins keep articles in local or technical newsgroups around longer than articles in other newsgroups.

Back when the early community was the pioneering computer society, the common habit seen with many articles was a notice at the end disclosed if the author was free of, or had a conflict of interest, or had any financial motive, or axe to grind, in posting about any product or issue. This is seen much less now, and the reader must read skeptically, just like in society, besides all the privacy or phishing issues.

There are currently well over 100,000 Usenet newsgroups, but only 20,000 or so of those are active. Newsgroups vary in popularity, with some newsgroups only getting a few posts a month while others get several hundred (and in a few cases a couple of thousand) messages a day.

Non-Usenet newsgroups are possible and do occur, as private individuals or organizations set up their own NNTP servers. Examples include the newsgroups Microsoft runs to allow peer-to-peer support of their products and those at news://news.grc.com.

Read more about this topic:  Usenet Newsgroup

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