https://www.cnbc.com/2018/04/11/facebook-ceo-mark-zuckerberg-was-ready-to-slam-apple-in-his-testimony-over-privacy.html >Facebook CEO Mark Zuckerberg and Apple CEO Tim Cook have exchanged words over privacy during the last few weeks — in a battle that could be set to continue. >It started when Cook was asked what he would do if he were faced with the problems facing Facebook after the Cambridge Analytica scandal.