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
Criticism of Facebook graphic content, requiring users to explicitly confirm that they wish to see the material. Facebook Live, introduced in August 2015 for celebrities and gradually rolled out for regular users starting in January 2016, lets users broadcast live videos, with Facebook's intention for the feature to be presenting public events or private celebrations. However, the feature has been used to record multiple crimes, deaths, and violent incidents, causing significant media attention. Facebook has received criticism for not removing videos faster, and Facebook Live has been described as a "monster [Facebook] cannot tame" and "a gruesome crime scene for murders". In response,