Mark Zuckerberg wooed his indispensible No. 2, Facebook's chief operating officer, away from Google in 2008. Sheryl Sandberg currently holds around 2 million Facebook shares, but has another 39 million that will vest if she stays with Facebook for several more years.
Facebook's IPO will raise $16 billion, making it the third-largest IPO in U.S. history.
|Advice from Warren Buffett that could make you rich|
|Google allows porn on Blogger after backlash|
|Kelly Osbourne quits E!'s 'Fashion Police'|
|China under pressure as money floods out of the country|
|Warren Buffett knows who next Berkshire CEO is|