Facebook June 2010. After extensive testing and 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. Facebook Messenger is an instant messaging service and software application. Originally developed as Facebook Chat in 2008, the company revamped its messaging service in 2010, and subsequently released standalone iOS and Android
Facebook artificial intelligence, increased connectivity around the world and virtual and augmented reality. In June 2016 Facebook announced Deep Text, a natural language processing AI which will learn user intent and context in 20 languages. In July 2016, a lawsuit was filed against the company alleging that it permitted the Hamas group to use it to perform assaults that ended the lives of four people. Facebook released the blueprints of Surround 360 camera on GitHub under open-source license. In September 2016, it won an Emmy for its Visual animated short "Henry". In October 2016, Facebook announced a fee-based communications tool called