Mark Zuckerberg, chief executive officer and founder of Facebook Inc., walks with his wife Priscilla Chan while arriving for a morning session during the Allen & Co. Media and Technology Conference in Sun Valley, Idaho, U.S., on Thursday, July 11, 2013. Executives from media, finance and politics mingle at the mountain resort between presentations on business trends and social issues, brought together by New York investment banker Herb Allen. Photographer: Daniel Acker/Bloomberg via Getty Images
