which has grown up around the appreciation
of science fiction
. Being very large, it is difficult to generalize
about fandom beyond this basic definition, but that has not stopped members
of fandom nor its detractors
(who are sometimes one and the same) from doing so.
See FIAWOL, FIJAGH, and fans are slan, they're just not very good at it.
Fans gather at science fiction/fantasy conventions.