BizSugar.com › News › Chart: In the Billionaire Chase, Mark Zuckerberg Closes in on Page, Brin, and Bezos

Facebook (FB) founder Mark Zuckerberg is having a great 2014. Financially, in fact, he’s having the best 2014 of anyone on earth. He’s gained $3.4 billion since the start of the year—nearly all of it materializing on Jan. 30, when Facebook reported its quarterly earnings, which showed more than half of revenue coming from mobile devices for the first time.