Whether you’re geeking out on the show floor at BlizzCon or tuning in from home, this is a performance you won’t want to miss: Linkin Park is closing out BlizzCon 2015! The Grammy Award–winning rock band—and the biggest band on Facebook, with 63 million fans and counting—will be taking the stage the evening of Saturday, November 7, to provide an epic send-off for everyone at this year’s convention. Even if you didn’t score tickets to the show, Blizzard gamers and Linkin Park fans...