https://www.theguardian.com/technology/2018/mar/25/facebook-logs-texts-and-calls-users-find-as-they-delete-accounts-cambridge-analytica >Leaving the social network after Cambridge Analytica scandal, users discover extent of data held >As users continue to delete their Facebook accounts in the wake of the Cambridge Analytica scandal, a number are discovering that the social network holds far more data about them than they expected, including complete logs of incoming and outgoing calls and SMS messages.