Julian Assange: Why the world needs WikiLeaks. Jane McGonigal: Gaming can make a better world. David Hanson: Robots that "show emotion" | Video on TED.com - (Build 20100722150226) Dennis Hong: My seven species of robot. PW Singer on military robots and the future of war | Video on TE. Matt Ridley: When ideas have sex. Amber Case: We are all cyborgs now.