SUN VALLEY, ID - JULY 09: Jack Dorsey, creator of Twitter and founder and chief executive officer of Square, attends the Allen & Company Sun Valley Conference on July 9, 2015 in Sun Valley, Idaho. Many of the worlds wealthiest and most powerful business people from media, finance, and technology attend the annual week-long conference which is in its 33rd year. (Photo by Scott Olson/Getty Images)
