via srussolillo: This is quite powerful and terrifying at the same time: Facebook, Twitter and Google write their own rules for political ads—and what you see. A must read analysis by ⁦@patiencehaggin⁩ and ⁦@EmilyGlazer⁩ $FB $TWTR $GOOGL https://t.co/f3AayhfpDU $fb