Some IM services provide video calling, file sharing and PC-to-phone calling and allow users to switch back and forth. See text messaging vs. instant messaging. To use instant messaging ...

The inclusion of video in an instant messaging (IM) system, turning it into a video call. For example, in 2003, Apple introduced its iSight video camera for use with its iChat instant messaging.

communal desktop PC in their homes. Windows Live Messenger, previously known as MSN Messenger, was Microsoft's premier instant messaging platform in the 2000s. The program was later sunset in ...