How to Video Chat on Facebook: 11 Steps (with Pictures) - wikiHow
How to Video Call on Facebook Messenger - AdvertiseMint
Facebook Messenger Brings Group Video Calling to Apps and Web - WSJ
Facebook introduces new features for Messenger, Instagram including Star Wars chat themes, camera stickers, Tap-To-Record and more- Technology News, Firstpost
Facebook Messenger: Here's how to use those new Snapchat-like lenses