Facebook’s Messenger Reaches 500 Million

Facebook’s Messenger app has reached a big milestone: 500 million active users per month.  The app launched in 2011.

http://newsroom.fb.com/news/2014/11/messenger-reaches-500-million-2/

• In February, Facebook acquired WhatsApp.  At the time, What’sApp claimed 450 million using the service each month, of whom 70% were active on any given day.