This video is a TED "Best of the Web" pick, featuring a remarkable idea available on the internet from an independent creator. This idea didn’t come from TED, but TED is thrilled to spread it. TED's editors chose to feature it for you.
Dan Ariely questions the forces that influence human behavior and the irrational ways we often behave.
Learn more
About Best of the Web
Best of the Web, like the rest of TED.com, involves compelling people and ideas. But unlike TED Talks, these videos don't come from TED or our partner conferences: they're curated from around the internet, drawing on freely available videos from creators with an idea worth spreading.
This video is a TED "Best of the Web" pick, featuring a remarkable idea available on the internet from an independent creator. This idea didn’t come from TED, but TED is thrilled to spread it. TED's editors chose to feature it for you.