When Zuckerberg first began his duties as the head of Facebook (the company as we know it now), he was renting a modest home near the offices in Palo Alto, and he stayed for much longer than anybody expected he would. Finally, after what we imagine to be much prodding from his investment advisers—and surely friends wondering why they weren't being invited to dinner parties at a giant mansion—Zuckerberg and his wife, Priscilla Chan, upgraded to a $7 million, 5,000-square-foot dwelling nearby, complete with a beautifully landscaped backyard and swimming pool.