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
The Button (Reddit) user clicked the button would be displayed. On the subreddit, users' times and the subsequent flair colors became status symbols. The button was introduced on 1 April 2015 in a post to the official Reddit blog. On 5 June 2015, at 21:49:53 UTC, a person with Reddit username "BigGoron" became the last user to press the button (dubbed "The Pressiah" by the community). Sixty seconds later, the countdown timer reached zero and ended 2 months and 4 days after it had begun. The button was deactivated, and overlaid with the text "the experiment is over". Six minutes later, Reddit administrator