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Before radio a thing called moris code was used to communicate they would sent messages using dots and dashes to communicate long distances.
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Radio was the first mass comunication device. It was created by Nikolai Tesla.
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Radio was first used to communicate between ships. It was also used in military.
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In 1920 Radio became more commercial in the way more civilians were using it now.
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AT&T was the first people to publicly advertize using radio.
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After WWII Music was now played. The AM radio stations always played the top 40.
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XM radio allowed people to listen to radio wirelessly in their cars. XM radio is popular in america.
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Over the years of radio its use had been the same to communicate over a distance in mass
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The future of radio is going to be major they are working on technology that 2 poeple can communicate through incripted lines though radio waves.
