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 startup created by Gmail's first engineer Paul Buchheit. In February 2010, Facebook acquired Malaysian contact-importing startup Octazen Solutions. On April 2, 2010, Facebook announced acquisition of photo-sharing service called Divvyshot for an undisclosed amount. In June 2010, an online marketplace for trading private Facebook stock reflected a valuation of $11.5 billion. On April 12, 2012, Facebook acquired photo sharing service Instagram for approximately $1 billion in cash and stock. On March 8, 2013, Facebook announced that they acquired the team from Storylane, but not the product itself. On February 19, 2014 Facebook announced its acquisition of WhatsApp Inc., a