Mark Zuckerberg is proud that he wears the same outfit every day, and he doesn't care if everyone knows it. The Facebook CEO's style -- or lack thereof -- is a major theme of Zuckerberg's first interview since the Facebook IPO. In the interview, which is set to air Thursday on NBC's "Today" and "Rock Center with Brian Williams," Zuckerberg tells Matt Lauer that he really does wear the same kind of T-shirt day after day after day.Read More... More on Facebook IPO