Facebook has tightened its controls over the ways in which applications that use the social networking platform can share unique user identity information (or UIDs) The company also banned several applications accused of improperly disclosing user data. Facebook has adopted a zero tolerance policy for data brokers, and issued a six month moratorium on access to the Facebook network for a handful of developers that sold Facebook unique identifiers to third party data brokers. The company outlined its new policy in a blog post on Friday by Mike Vernal, a company engineer.
Source: https://threatpost.com/privacy-crackdown-rattles-facebook-developers-110110/74627/