https://phys.org/news/2019-01-apple-facebook-data-sucking-app.html > Facebook says fewer than 5 percent of the app's users were teens and they had parental permission. Nonetheless, the revelation is yet another blemish on Facebook's track record on privacy and could invite further regulatory scrutiny. > According to TechCrunch, Facebook sidestepped Apple's app store and its tighter rules on privacy. Apple says Facebook was using a distribution mechanism meant for company employees, not outsiders, so Apple has revoked that capability. Explore further: Facebook paid users to track smartphone use: report