The know-how that goes into a given medium. From this perspective technology is not limited to just "high tech" things like Computers & DVD players but it applies to anything that makes communication possible. Rocks, shells, and cave paintings can all fall under the category of Communication technology.
As the technology evolved, communication protocol also had to evolve; for example, Thomas Edison had to discover that hello was the least ambiguous greeting by voice over a distance; previous greetings such as hail tended to be lost or garbled in the transmission.
As regards human communication these diverse fields can be divided into those which cultivate a thoughtful exchange between a small number of people (debate, talk radio, e-mail, personal letters) on the one hand; and those which disseminate broadly a simple message (Public relations, television, cinema).
In fact, it is the changing technology of communication that tends to make the most frequent and widespread changes in a society - take for example the rise of web cam chat and other network-based visual communications between distant parties.
The Internet is one of the communicationstechnologies which is attracting the attention of cooperatives as a means for increased communication through low-cost electronic mail (e-mail), and access to and dissemination of vast amounts of information.
Community networks facilitate communities as a geographically situated place, but provide an interactive communicationsmedium that is not limited by time, space or geographical boundaries...
Community networks provide a solution for the isolation of rural areas, for home-based businesses, for greater economic opportunity, and the opportunity to explore and compete in the global community.
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