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 like button the site's content with friends. When a user clicks the like button, the content appears in the News Feeds of that user's friends. The button also displays the number of users who liked each piece of content, and may show a full or partial list of those users. The ability to like users' comments was added in June 2010, and the ability to react with one of five pre-defined emotions, including "Love", "Haha", "Wow", "Sad", or "Angry", was added in May 2012. Facebook describes "liking" as an "easy way to let people know that you enjoy it without leaving a