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
Jenson Button finished 11th with 55 points. With Alonso moving to McLaren for the season, when they would be using Honda engines, the team had not announced in November 2014 whether they would be retaining Button or Magnussen as Alonso's teammate, leaving both 2014 drivers wondering whether they would be driving in Formula One in 2015. Button commented that his father would have been "livid" about his uncertain future. After the last race of the season, at which Hamilton won the Drivers' Championship for the second time and had been a teammate of Button's in the past, Hamilton said that "McLaren would