> Our further investigation reveals that Facebook does not fully enforce its policies [9] that require app developers to disclose their data collection and shar

> Our further investigation reveals that Facebook does not fully enforce its policies [9] that require app developers to disclose their data collection and sharing practices as well as respond to data deletion requests by users. Of the analyzed apps, 6% apps fail to provide the required privacy policies, 48% apps do not respond to data deletion requests, and a few apps even continue using user data after confirming data deletion. This is the real alarming part