Massimo Banzi: How Arduino is open-sourcing imagination. Don Tapscott: Four principles for the open world. Taylor Wilson: Yup, I built a nuclear fusion reactor. T. Boone Pickens: Let's transform energy -- with natural gas. Larry Smith: Why you will fail to have a great career. Jennifer Pahlka: Coding a better government. A TED speaker's worst nightmare. Andrew Stanton: The clues to a great story. James Hansen: Why I must speak out about climate change.
Bryan Stevenson: We need to talk about an injustice. Susan Cain: The power of introverts. Vijay Kumar: Robots that fly ... and cooperate. Paul Gilding: The Earth is full. Peter Diamandis: Abundance is our future.