Bloomberg Tech journalist Brad Stone talks with Recode's Kara Swisher about his latest book, "The Upstarts: How Uber, Airbnb, and the Killer Companies of the New Silicon Valley Are Changing the World." Stone argues that the stories of Uber and Airbnb are intertwined tales of competition, disruption and regulatory drama, and that both companies have driven CEOs who have found tremendous success despite several early missteps. Stone calls self-driving cars an "existential crisis" for Uber, and also talks about the future of Amazon, which he wrote about in his previous book, "The Everything Store." Stone says Amazon CEO Jeff Bezos might have a business problem under President Trump, as Bezos is also the owner of The Washington Post.