The world today is vastly different than it was even ten years ago, and this is due to some genius entrepreneurs who created companies that turned our expectations on their heads. Travis Kalanick of Uber and Brian Chesky of Airbnb are just two of the disrupters Brad Stone examines in this fly-on-the-wall look at the intersection of tech, business, and culture. How Uber, Airbnb, and the killer companies of the new Silicon Valley are changing the world.