What is "philcon"

Philcon, also known as the "Philadelphia Science Fiction Conference", is an annual science fiction convention, which has been held in or near Philadelphia, Pennsylvania, nearly every year since 1936. The convention is run by the Philadelphia Science Fiction Society (PSFS). Usually held in November, its programming features a mixture of literary, science, gaming, film, anime, and costuming. There is usually an open Meet the Authors/Artists Party on Friday and a Masquerade on Saturday, as well as the usual programming mixture of literature, art, costuming, and gaming panels, an art show, a dealers' room, a masquerade, and movies.