Facebook like button comment". After more than a year in testing, which included October 2015 availability in Ireland and Spain, Facebook officially rolled out "Reactions" to users worldwide on February 24, 2016. The feature allows users to long-press on the like button to get options between five pre-defined emotions ranging from "Love", "Haha", "Wow", "Sad", and "Angry". In June 2017, in celebration of Pride month, Facebook introduced a rainbow flag as part of its Reactions options. During a public Q&A session in December 2014, CEO Mark Zuckerberg answered questions regarding the public's wish to have a "dislike" button on Facebook. Zuckerberg said: "There’s
History of Facebook a new concept called company pages was planned. In October 2008, Facebook announced that it would set up its international headquarters in Dublin, Ireland. In 2010, Facebook began to invite users to become beta testers after passing a question-and-answer-based selection process, and a set of Facebook Engineering Puzzles where users would solve computational problems which gave them an opportunity to be hired by Facebook. As of February 2011, Facebook had become the largest online photo host, being cited by Facebook application and online photo aggregator Pixable as expecting to have 100 billion photos by summer 2011. As of October 2011,