The Most Expensive Home Ever Sold: An F.A.Q.

The internet is agog and aghast today at news that Russian billionaire Yuri Milner has paid $100 million for an estate up in Silicon Valley's Los Altos Hills, making it the largest single-family property transaction in U.S. history. (Has anyone made the Lap Giraffes joke yet? Probably.) We know you've got questions,…