SUN VALLEY, ID - JULY 10: David Ebersman, CFO of Facebook, Inc., attends the Allen & Co. annual conference on July 10, 2013 in Sun Valley, Idaho. The resort will host corporate leaders for the 31st annual Allen & Co. media and technology conference where some of the wealthiest and most powerful executives in media, finance, politics and tech gather for weeklong meetings which begin Tuesday. Past attendees included Warren Buffett, Bill Gates and Mark Zuckerberg. (Photo by Kevork Djansezian/Getty Images)
