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 known as Manhattan), at $2,107 a week, or roughly $110,000 a year." Facebook was blocked by the Chinese government in 2009. In September 2013, the "South China Morning Post" announced that the block would lifted in the Shanghai Free Trade Zone "to welcome foreign companies to invest and to let foreigners live and work happily in the free-trade zone". However, a few days later, the "People's Daily", the official newspaper of the Communist Party of China, dismissed the earlier report, reiterating the block on Facebook. Facebook was announced as a member of The Alliance for Affordable Internet (A4AI) in October