Collaborative Computing
Collaborative computing allows users to work together on documents and projects, usually in real time, by taking advantage of underlying network communication systems, whole new categories of software have been developed for collaborative computing, and many existing applications now include features that let people work together over networks.
A good example of collaborative applications designed for Internet use are Microsoft’s NetShow and NetMeeting. NetShow is a multimedia Web technology that enhances broadcasting with interactive content like audio, illustrated audio (images and sound), and video. This is delivered using multicast technology, which means that multiple users can receive the same broadcast at the same time. NetMeeting is a multimedia conferencing tool that works over the Internet or intranets. It provides what are essentially videophone services between users.
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http://www.linktionary.com/c/colloborate.html
http://www.techguide.com
http://www.bitpipe.com