Users read and post messages (called articles or posts, and collectively termed news) to one or more categories, known as newsgroups.
Usenet resembles a bulletin board system (BBS) in many respects and is the precursor to Internet forums that are widely used today.
Saw palmetto has long been used in Europe to treat an enlarged prostate or benign prostatic hyperplasia (BPH).
It may or may not infringe on the original author's copyright, depending on the jurisdiction and on such questions as whether or not it qualifies as "fair use" (see Legal issues with fan fiction).
The term "fan fiction" has been attested in print as early as 1939; in this earliest known citation, it is used in a disparaging way to refer to amateurish science fiction (as opposed to "pro fiction").
The term also appears in the 1944 Fancyclopedia, an encyclopedia of fandom jargon.
Discussions are threaded, as with web forums and BBSs, though posts are stored on the server sequentially. One notable difference between a BBS or web forum and Usenet is the absence of a central server and dedicated administrator.
Usenet is distributed among a large, constantly changing conglomeration of servers that store and forward messages to one another in so-called news feeds.