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 admin of the group or a hacker". Facebook offered to install a home-alarm monitoring system, provide transport to and from work, and counseling through its employee assistance program. As a result of the data leak, Facebook is reportedly testing the use of alternative, administrative accounts for workers reviewing content, rather than requiring workers to sign in with their personal profiles. on October 26, 2018 social network Facebook announced that it has deleted 82 accounts created in Iran that included posts advocating harsh issues such as race, immigration, and U.S. President Donald Trump, . . .. Facebook has been criticized for