Instant messaging (IM) is a real-time Internet communications service that notifies you when one or more people are online and then allows you to exchange messages or files or join a private chat room with them. Some IM services support voice and video conversations . Many IM services also can alert you to information such as calendar appointments, stock quotes, weather, or sports scores. They also allow you to send pictures or other documents to a recipient. For IM to work, both parties must be online at the same time. Also, the receiver of a message must be willing to accept messages.
Monday, 20 September 2010
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