Travis Kalanick; Brian Chesky; Tim Cook

Travis Kalanick, co-founder and chief executive officer of Uber Inc., talks about the genesis of his online transportation company and its strategy in dealing with opposition from local governments and taxi companies. Brian Chesky, AirBnb co-founder and C.E.O., on the success of his lodging rental website. Tim Cook, chief executive officer of Apple Inc., discusses the company's stand on privacy and taxation as well as Apple's drive to create new products continually.