Facebook like button years of questions from the public about whether it had an intention to incorporate a "Dislike" button, Facebook officially rolled out "Reactions" to users worldwide on February 24, 2016, letting users long-press on the like button for an option to use one of five pre-defined emotions, including "Love", "Haha", "Wow", "Sad", or "Angry". Reactions were also extended to comments in May 2017. The like button is one of Facebook's social plug-ins, in which the button can be placed on third-party websites. Its use centers around a form of an advertising network, in which it gathers information about which users visit
Facebook Paper after the release of Facebook Paper, Facebook announced that Paper users browse 80 stories a day, and that Facebook had made changes that allowed people to use Facebook Paper in place of the Facebook iOS app. In late April 2014, Facebook open-sourced the animation engine that powered Facebook Paper. On June 30, 2016, Facebook announced that support for Paper will end, and users will no longer be able to log into the app after July 29, 2016. Facebook Paper Facebook Paper was a standalone mobile app created by Facebook, only for iOS, that intended to serve as a phone-based equivalent