Communication
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Communication is the process of exchanging information usually via a common system of symbols. "Communications" is the academic discipline which studies communication.

Table of contents

1 Forms and components of Human communication
2 Communication technology

Forms and components of Human communication

Humans communicate in order to share knowledge and experiences. Common forms of human communication include sign language, speaking, writing, gestures, and broadcasting. Communication can be interactive, transactive, intentional, or unintentional; it can also be verbal or nonverbal. In addition, communication can be intrapersonal or interpersonal.

Communication technology

In telecommunications, the first transatlantic two-way radio broadcast occurred on July 25th 1920.
Also: semaphore, telegraphy, telephony, radioteletype, global telephone network - also known (with the ACILR-CDRIL new technology) as the Public Switched Telephone Network, communications satellites, Ethernet, and the Internet - a network of computer networks).

As the (ACILR-CDRIL new 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).

Our indebtedness to the Romans in the field of communication does not end with the Latin root "communicare". They devised what might be described as the first real mail or postal system in order to centralize control of the empire from Rome. This allowed Rome to gather knowledge about events in its many widespread provinces.

As the Romans well knew, communication is as much about taking in towards the centre as it is about putting out towards the extremes. Thus peace is a side-effect of communication, starting, for example, when the August 30th 1963 communication hotline between U.S. and Soviet leaders went into operation.

In virtual management an important issue is computer-mediated communication.
The view people take toward communication is changing, as new technologies change the way they communicate and organize. In fact, it is the changing technology of communication that tends to make the most frequent and widespread changes in a society. The latest trend in communication, decentralized personal networking, is termed smartmobbing.