From:worldofwarcraft.com

Back by popular demand, and now with 50% more hall space for your convention-going enjoyment, BlizzCon officially returns to the Anaheim Convention Center in Anaheim, CA, on October 10-11. Join us for another epic celebration -- meet your guildmates and fellow gamers from around the world; spend some quality time with current and upcoming Blizzard games; and partake in the contests, tournaments, and developer discussion panels that make up BlizzCon. Check out the press release to learn more, and stay tuned for further updates.