Messenger definition: Messenger is an instant messaging platform owned by Facebook and used by users of its platform.
Messenger originally launched as Facebook Chat back in 2008 but was relaunched in 2010 to become a standalone application for iOS and Android devices.
Messenger allows users to send:
They can also participate in free voice and video calls.
Messenger can also be used as a customer service and relationship management tool by brands on Facebook. Facebook pages are often graded on their response time to messages.