Support WBURGive And Take: How The Rule Of Reciprocation Binds UsPlay08:29Download AudioAlix SpiegelNovember 26, 2012 ShareA Hare Krishna distributes food gifts from a chariot during a festival in London in 2011. The religious group began distributing books, flowers and gifts to strangers in the 1970s, drawing on the rule of reciprocation to raise money. (Getty Images)
