Former Facebook exec says network is 'destroying how society works'

"You don't get to 500 million friends without making a few enemies."  That was the tagline for The Social Network, the film about creating Facebook, and it's only become more relevant as the social network has grown to more than 2 billion people. Those "few enemies" are former Facebook executives, people who helped build the tech giant.  “The short-term, dopamine-driven feedback loops we’ve created are destroying how society works," said Chamath Palihapitiya, who joined Facebook in 2007 an...