Maximum PC: From cheap thrills (like cheeseburgers) to unreleased products, the man himself, Bill Gates, billionaire founder of the world's largest software company, is right now answering user questions on Reddit. There's still time to jump into the AMA (Ask Me Anything) session if you have a burning question of your own, but you'll have to ask fast, as he's already been in there for about an hour. (Bill Gates, Industry, Reddit, Web)