Remember ICQ? After almost three decades, the once-popular instant messaging client is finally shutting down. On Friday, the ICQ website posted a simple message: "ICQ will stop working from June 26." ...

Microsoft Lync is the instant messaging client for Lync Server. It was formerly Microsoft Office Communicator (MOC), which replaced Windows Messenger. See Skype for Business. THIS DEFINITION IS ...

Telegram ranks among the world's most popular instant messaging solutions while delivering advanced security measures together with fast operation and powerful capabilities. The standard official ...

Exchanging text messages in real time between two or more people logged into an instant messaging (IM) service. Unlike email, messages are sent immediately, whereas email can be queued up in a ...

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