Have you seen one of those billboards yet? The ones that say the world is ending on May 21st? I talked about them a here. They’re popping up all over the world. I’ve personally seen them in Sydney and Brisbane, but I hear they’re everywhere. Well, the 2st is this Saturday. Are you prepared for the end of the world? If not, are you prepared to explain to people next week why the world didn’t end? Here are some useful resources.