Facebook has been rocked by reports of a massive data scrape carried out by Cambridge Analytica and one of its then-contractors, a Cambridge University academic named Aleksandr Kogan. Kogan claims that the data he collected from thousands of Facebook users and their friends—amounting to data on over 50 million users—abided by Facebook’s terms; Cambridge Analytica promises it deleted the data; and Facebook is auditing everyone it can for signs of the data. advertisement But while Facebook pr...