It’s amazing what a rigged game of Monopoly can reveal. In this entertaining but sobering talk, social psychologist Paul Piff shares his research into how people behave when they feel wealthy. (Hint: badly.) But while the problem of inequality is a complex and daunting challenge, there’s good news too — psychological encouragement seems to “nudge” individuals towards greater empathy in adopting egalitarian ideals. (Filmed at TEDxMarin.)