Derren Brown

Head of TED Chris Anderson and TED current affairs curator Whitney Pennington Rodgers talk with Twitter’s CEO, Jack Dorsey, about the future of one of the world’s most important messaging platforms. They speak at TED2019: Bigger Than Us, April 16, 2019 in Vancouver, BC, Canada. (Photo: Bret Hartman / TED)

Live from Oxford via remote-controlled robot, David Deutsch explains how our ability to attain knowledge could take us across galaxies. He speaks at TED2019: Bigger Than Us on April 16, 2019 in Vancouver, BC, Canada. (Photo: Marla Aufmuth / TED)