Beyonce and voodoo have been ruled out as potential culprits in the bizarre 33-minute blackout during last night's Super Bowl. But what about hackers? It took just a few minutes after the lights went out in the Superdome for hackers to begin hinting they had something to do with it. "#TangoDown Superbowl XLVII," tweeted the most popular Twitter account of the hacktivist collective Anonymous. It's an outlandish claim and almost certainly a troll. But it's possible, and here's how it might have happened.