In this May 21, 2008, file photo, Marie J. Toulantis, CEO of Barnes & Noble.com; Tony Hsieh, CEO of Zappos.com; Rob Norman, CEO of GroupM Interaction Worldwide; Bill Gates, Chairman of Microsoft Corp.; Matt Ackley, VP of Internet Marketing and Advertising, eBay Inc.; Patrick Byrne, CEO of Overstock.com; and Jim Barr, President, Online, Sears Holdings, pose for a photo after announcing Live Search Cashback programs, at Microsoft headquarters in Redmond, Wash. (AP Photo/Stephen Brashear, File)