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The history of communication technologies (media and appropriate inscription tools) have evolved in tandem with shifts in political and economic systems, and by extension, systems of power. Communication can range from very subtle processes of exchange to full conversations and mass communication.
As opposed to Chappe's system which involved pulleys rotating beams of wood, Edelcrantz's system relied only upon shutters and was therefore faster. [8] However, semaphore as a communication system suffered from the need for skilled operators and expensive towers often at intervals of only ten to thirty kilometers (six to nineteen miles).
Through the European Middle Ages and Renaissance grammar, rhetoric, and logic constituted the entire trivium, the base of the system of classical learning in Europe. Communication has existed since the beginning of human beings, but it was not until the 20th century that people began to study the process.
The Information Age [a] is a historical period that began in the mid-20th century.It is characterized by a rapid shift from traditional industries, as established during the Industrial Revolution, to an economy centered on information technology. [2]
The timeline of radio lists within the history of radio, the technology and events that produced instruments that use radio waves and activities that people undertook. Later, the history is dominated by programming and contents, which is closer to general history .
Communication history studies how communicative processes evolved and interacted with society, culture, and technology. [242] Human communication has a long history and the way people communicate has changed considerably over time.
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The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.