With more than 2 billion users, Facebook's reach now rivals that of Christianity and exceeds that of Islam. However, the network's laser focus on profits and user growth has come at the expense of its users, according to one former Facebook manager who is now speaking out against the social platform. "One of the things that I saw consistently as part of my job was the company just continuously prioritized user growth and making money over protecting users," the ex-manager, Sandy Parakilas, who worked at Facebook for 16 months, starting in 2011, told NBC News. During his tenure at Facebook,...