Facebook June 2010. After extensive testing and 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. Facebook Messenger is an instant messaging service and software application. Originally developed as Facebook Chat in 2008, the company revamped its messaging service in 2010, and subsequently released standalone iOS and Android
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