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
The Button (Reddit) users to visit the Button when the timer dropped below a certain threshold. The Button's countdown timer reached zero several times due to technical issues, but was reset when button press attempts were still being made. On 5 June 2015, the countdown timer reached zero with no button press attempts, ending the experiment. The specific Reddit community (subreddit) for the Button had the standard Reddit appearance but with a molly-guarded button next to a 60-second countdown timer at the top of the page. When the button was clicked, the countdown would reset. The button could only be pressed once by