The Insidiousness of Facebook Messenger's Mobile App Terms of Service

How much access to your (and your friends') personal data are you prepared to share for access to free mobile apps? I suspect the amount is significantly less than that which you actually agreed to share when blindly accepting the Terms of Service.

via Tech News Headlines - Yahoo! News http://www.huffingtonpost.com/sam-fiorella/the-insidiousness-of-face_b_4365645.html?ncid=txtlnkusaolp00000592