He's jailbroken the iPhone and been sued by Sony over alleged hacks, and now George "Geohot" Hotz is grappling with the biggest challenge of his young career: social networking. After about a week's worth of rumors surrounding his new employment arrangements, Facebook confirmed that it has indeed added the infamous young hacker to its payroll. No word on what Hotz will be doing at the site, but we expect big things, just so long as he doesn't come within