Welcome to the latest installment of Billionaire Musical Chairs. This week's round was a doozy. Billionaire Mark Zuckerberg zoomed past billionaire Larry Page, as billionaires-in-training watched the net worth from the sidelines. The real action, however, was on the real estate front.

It would appear, based on this paparazzi shot of Zuck and P-Chan on vacation in Hawaii, that Mark wears a shirt when he's in the ocean. Throw your hands in the air if this surprises you at all. View the full thing here.