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 Safety Check crisis response tool. It allows users to search through categorized posts, offer local assistance, and connect with providers over Facebook Messenger. In June 2017, Facebook announced several updates to Safety Check, including the Community Help feature coming to desktops. It was also made possible for users to start fundraisers from within Safety Check. On Saturday, April 25, 2015, an earthquake struck Nepal, with an estimated loss of a few thousand lives. Within a few hours of the earthquake hitting, Facebook had activated Safety Check in the region. It identified users as possibly being in the affected area by their current