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 F8 Q&A. Some of the details of the topics were: F8 2014 was announced on March 8, 2014 by Facebook representative Ilya Sukhar that the F8 event would return on April 30. The conference was focused on Facebook's strategy to become a 'cross-platform platform'. Here is a list of the main topics: The 2015 F8 conference was held on March 25, 2015 at the Fort Mason Center. The 2016 F8 conference was held on April 12 and 13, 2016. Announcements: Facebook Analytics adds push and in app notifications feature The 2017 F8 conference was held from April 18, 2017 to April