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 like button, including "Love", "Haha", "Wow", "Sad", and "Angry". The Like button is one of Facebook's social plug-ins, which are features for websites outside Facebook as part of its Open Graph. Speaking at the company's F8 developer conference on April 21, 2010, the day of the launch, CEO Mark Zuckerberg said "We are building a Web where the default is social". The like button is implemented similarly to an advertising network, in that as more sites participate, Facebook is given a vast amount of information about who visits which websites and when. When loading a website that has the like