Question

The internet service in which we can instantly send messages ` back and forth is called _______​

Answer 1

Step-by-step explanation:

IM is short for instant message, a type of communications service that enables you to create a kind of private chat room with another individual in order to communicate in real time over the Internet, analogous to a telephone conversation but using text-based, not voice-based, communication.

Answer 2

style of communication