Offer your best promotions and get to the point, already -- or customers will unsubscribe just as quickly as they opted in to receive your instant messages.

employees anywhere in the world secure web conferencing and secure instant messaging and chat capabilities. Defense Collaboration Services (DCS) is available to anyone worldwide with a Common ...

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 ...