FILE - In this June 11, 2014 photo, a man walks past a Facebook sign in an office on the Facebook campus in Menlo Park, Calif. Facebook s recent effort to
FILE - In this June 11, 2014 photo, a man walks past a Facebook sign in an office on the Facebook campus in Menlo Park, Calif. Facebook s recent effort to force people to adopt its standalone mobile messaging app has privacy-concerned users up in arms. In truth, Facebook Messenger isn t any more invasive than Facebook s main app _or other similar applications. (Jeff Chiu/AP Photo)