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
Criticism of Facebook of perception that conservatives are not treated neutrally on Facebook alternative social media platforms have been established. This perception has led to a reduction of trust in Facebook, and reduction of usage by those who consider themselves to be conservative. In October, 2018, Facebook and Facebook Messenger is said to be blocking urls to minds.com, a social network website that is a competitor of Facebook. Users have complained that Facebook marks links to Facebook's competitor as "insecure" and have to fill a captcha to share it with other users. In 2015, Facebook was accused of banning rival network Tsu.co in