Sheryl Sandberg, COO of Facebook, arrives for the third day of the Allen and Co. media conference in Sun Valley, Idaho July 11, 2014. Media and technology CEOs and investors get together every year at... more 
Sheryl Sandberg, COO of Facebook, arrives for the third day of the Allen and Co. media conference in Sun Valley, Idaho July 11, 2014. Media and technology CEOs and investors get together every year at the Allen & Co conference in Sun Valley for a week of mingling and deal-making at the upscale Idaho mountain resort. REUTERS/Rick Wilking (UNITED STATES - Tags: BUSINESS MEDIA SCIENCE TECHNOLOGY) less 
1 / 20
Reuters | Photo By RICK WILKING / REUTERS
Fri, Jul 11, 2014 1:45 PM EDT