William Poundstone is the author of seventeen books including Rock Breaks Scissors Are You Smart Enough to Work at Google? How Would You Move Mount Fuji? and Fortune's Formula. He has written for the Believer the Economist Esquire Harper's Harvard Business Review and the New York Times op-ed page and Book Review. Follow Poundstone on Twitter (@WPoundstone) and learn more at his website home.williampoundstone.net