Facebook declares war on phone numbers with Messenger
Facebook Messenger for Windows 10 wants to take up your whole screen - SlashGear
Facebook to launch Messenger Lite for people with slower phones | Financial Times
How to use Facebook Messenger's new "instant video" feature - CBS News
How Facebook's Messenger Became a Popular Mobile Messaging Service - eMarketer
MONTREAL, CANADA - MARCH 20, 2016 - Facebook messenger logo on Samsung S5's screen. Facebook Messenger is an instant messaging service and software a Stock Photo - Alamy
Facebook rolls out a new look for Messenger | TechCrunch