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 to burn Jew" and "Jew hater". Facebook removed the categories and said it would try to stop them from appearing to potential advertisers. Facebook has been accused of being a public platform that is used to incite terrorism. In October 2015, 20,000 Israelis claimed that Facebook was ignoring Palestinian incitement on its platform and filed a class-action suit demanding that Facebook remove all posts "containing incitement to murder Jews". Israeli politicians have complained that Facebook does not comply or assist with requests from the police for tracking and reporting individuals when they share their intent to kill or commit any