In her talk, Rachel Botsman says we're "wired to share" -- and shows how websites like Zipcar and Swaptree are changing the rules of human behavior. (Filmed at TEDxSydney.)Uploaded 17-07-13Talk by Rachel Botsman. Learn more about your ad choices. Visit megaphone.fm/adchoices
Learn more about your ad choices. Visit megaphone.fm/adchoices
