You could say Facebook Messenger was once the social network’s most loathed feature. In 2014, the company forced users to download a separate app if they wanted to send and receive messages on their phones, and as a result, Messenger rose to No. 1 in the App Store—but with a dismal one-star rating.
Fast forward three years, and you still need to download the app (sorry). But Messenger has evolved, updated with shiny new features, a discover tab, advanced functionality, and a streamlined desktop version. And while it isn’t perfect, it has become something none of us expected: an actual force for social good around the globe.
Source - Read More: mashable.com