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
Criticism of Facebook collected in the Beacon program: The Beacon service ended in September 2009 along with the settlement of a class-action lawsuit against Facebook resulting from the service. On September 5, 2006, Facebook introduced two new features called "News Feed" and "Mini-Feed". The first of the new features, News Feed, appears on every Facebook member's home page, displaying recent Facebook activities of the member's friends. The second feature, Mini-Feed, keeps a log of similar events on each member's profile page. Members can manually delete items from their Mini-Feeds if they wish to do so, and through privacy settings can control what is