He knows when you're sleeping. He knows when you're awake. He knows when you've been bad or good. But we're not talking about Santa Claus here — we're talking about barely legal pop sensation Justin Bieber, whose official fan website was part of a government crackdown of sites that illegally collect data on underage visitors.According to an Federal Trade Commission (FTC) report, the company that owns the official Bieber fan club (You can join for just $99 a year!