Mark Zuckerberg is a pretty successful guy. He's a billionaire, founded thefacebook.com (now simply known as Facebook), and basically controls the entire universe. With a pedigree like that, all the best menswear in the world is at his fingertips—Tom Ford suits, Brioni everythings, and a lifetime supply of Stan Smiths. But he's rarely seen out of his regular uniform of hoodies and T-shirts. Late last week he explained that he finds choosing outfits to be "frivolous." We thought we'd help him out