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.
|Google is becoming a wireless carrier|
|Inside a high-tech San Francisco swinger's party|
|Look out: Big week ahead for stock market|
|Bob Dylan has a 'gift' for AARP members: Free copy of his new album|
|'American Sniper' hauls in $200 million at box office|