Recode Decode: Elon Musk biographer Ashlee Vance

Kara Swisher talks with journalist Ashlee Vance about his new book on Elon Musk. They discuss Musk's "Tony Stark" image, the future of Tesla and whether Musk is mellowing out. Also on the show: photo apps and Reddit. Learn more about your ad choices. Visit megaphone.fm/adchoices