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Thomas Edison invented the "Talking Machine" called the phonograph.
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Guglielmo Marconi built the first successful radio. It was mainly used for war propaganda
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In the early 1920s, radios operated on batteries, but around 1928, the first electric radio became available.
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This year saw built-in electromagnetic speakers, built in antennas, portable radios and cheap personal radios.
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Alan Bluemlein creates the first stereo
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The radio was becoming less popular due to television reaching a new peak.
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due to WWII limiting resources, radios began to be made of plastic, and were in almost every room
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in 1960, the first integrated circuit was developed in Texas.
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The first compact audio cassette was released by the Phillips Company
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During the mid 60s and 70s, 8 Track Tapes became very popular. It was a trial and error product, due to the original designs being too bulky.
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In the 70s, the idea to make radios into miniature models sprouted. They were cheap, small and usually consists of 3 styles; a promotion event, vacuum tube and or a small toy.
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the Walkman was the first personal musical player, released by Sony.
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During the peak of talk radio, sports talk on the radio was big in the 1980s and also included broadcasting of sports.
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cassette tapes and compact disks passed the phonograph in popularity
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the MP3 eliminated any other need for other medias to get music
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