Facebook Messenger now has 800 million users

Messenger added a couple of things in 2015 including video calling, the ability to customize conversations with colors, nicknames and emojis, and with Businesses on Messenger. (Source: Facebook)
Facebook Messenger is now the most popular iOS app with 800 million people using it every month, according to Nielsen. App Annie revealed that Messenger is the fastest growing app of 2015.
Further according to the data, people send more than 9.5 billion photos to friends through Messenger every month. M