Should you respond to that suspiciously attractive suitor on OkCupid? Should you invest your money in a “too-good-to-be-true” land deal? Before you trust anyone, listen to Maria Konnikova talk about the history and psychology of cons.
Do you believe that the illuminati run the world? That there was a second gunman? That everything is not what it appears? Well, even if you don’t, conspiracy theories help shape our world. Here's a look at the psychology behind them.