This article is from the Science Fiction Fandom FAQ, by Vicki Rosenzweig vr@panix.com with numerous contributions by others.
A science fiction convention is a gathering of the tribe, or some
part of the tribe, or just some folks who want to hang out for the
weekend. Most sf conventions ("cons") have programming--speeches,
panels, slide shows, etc.--some of which is related to science
fiction, fantasy, horror, or fandom. And some of which isn't. If
the guest of honor wants to organize tai chi at 8:30 Sunday morning,
most con committees will let him.
 
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