Facebook's app developer policy at the time allowed developers to siphon data on users» friend networks, too, but the company says that policy has since been updated to let users choose what data they'll let Facebook share about them. (slate.com)
Cambridge was a bad actor from the start and the social media company has shown it has taken proactive measures to ask that the data be deleted (even though that didn't happen), and has changed its app developer policies to include a thorough review of which data an app requests and uses. (businessinsider.my)
It sent letters, headed: «Warning of Google Play Developer policy violation: Action Required», to app developers whose privacy policies did not comply, or who did not have a policy at all. (lawyer-monthly.com)