"BlizzCon" is a convention held by Blizzard Entertainment to celebrate and promote their major franchises: Warcraft, StarCraft and Diablo. The first BlizzCon was held in October 2005 at the Anaheim Convention Center where it has been held since. The convention features game-related announcements, previews of upcoming games and content, Q&A sessions and panels, costume and other contests, and playable versions of various Blizzard games.