What type of communication are you talking about? The generic term for sharing several conversations or other types of communication on one communication channel is called "multiplexing". There are several ways to achieve that.
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Idisk technology was invented by Apple. The idea is that you get a personal hard disk on the internet which allows users to store their information on Apple's servers.
The working principle of the internet is that users can access virtually anything from any location in the world. This allows for nearly infinite possibilities for communication and research.
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Twitter is a free social networking and micro-blogging service that allows its users to send and read other users' updates. Source: FiberStore
A technician wishes to secure the network authentication for all remote users. Key fobs is a security technology that uses radio communication with a computer before accepting a username and password.
An Ad Server uses technology to place advertisements on to individual websites. The technology allows the number of views can be monitored to ensure that the advertisements are appropriate to the users of the website.
For productivity purposes - A keyboard allows users to input text into a computer & a mouse or trackball allows users to control a cursor to manipulate on-screen objects. For entertainment purposes - Joysticks, game pads & other controllers allow users to control characters and/or vehicles inside computer games. The Internet allows users to communicate with each other as well as for research & education purposes.
Time sharing system allows many users to share the computer simultaneously. It is used when several users are linked through communication networks to a single computer.
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