This episode, TED speakers on the essence of good design in buildings, brands, the digital realm and the natural world. Guests include computer engineer Tony Fadell, architect Marc Kushner, Airbnb co-founder Joe Gebbia, design critic Alice Rawsthorn, and science writer Janine Benyus. (Original broadcast date: May 20, 2016). Listen to over 65,000+ radio shows, podcasts and live radio stations for free on your iPhone, iPad, Android and PC. Discover the best of news, entertainment, comedy, sports and talk radio on demand with Stitcher Radio.