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  The phonaugraph was the first divice to record sound.
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  Thomas Edison invented the tinfoil cylinder phongraph, which made the first recording of the human voice.
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  By 1878, Thomas Edison had lauched his Edison Speaking Phonography Company to produce recording and playback machines, which were intented as dictation machines for business purposes.
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  Emile Berliner adapter Martinville's idea into a disc music player he called the gramophone.
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  Eldridge Johnson is the first to use the spring motor record player in a hand-cranked motorized gramophore for Berliner in 1896. Later, the two pair up to form the Victor Talking Machine Company in 1901.
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  Era of the 78 RPM disc standard was born
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  Invented by Martin Coopeer
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  Invented in 1927
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  Around the 1940s, Columbia introduced the 33-1/3 RPM long-playing record at about the same time Decca Record Company helped usher in the era of high fidelity with full frequency range recordings.
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  Philips introduced the audio cassette tape format that became very popular.
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  8-track tapes were introduced to bring portable music into cars.
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  Apple was founded in Cupertino, California
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  Sony introduces the Walkman portable audio cassette player, initially called the "Soundabout."
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  Sony introduced compact discs.
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  Sony introduced the D-50 portable CD player.
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  SaeHan created the first ever MP3 player called the MPMan, and it appeared on the shelves of stores by the summer of 1998.
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  Apple introduced the very first iPod. This iPod consisted of 5 or 10 GB and included a mechanical scroll wheel.
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  Between the years of 2002-2004, Apple came out with the iPod Classic 2 that brought about touch sensitive controls, along with the Zen Touch.
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  Between the years of 2007-2008, Apple brings out the iPod Touch. It was the first of its kind.
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  The Apple Watch smartwatch was launched on April 24, 2015
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  The IPhone was created in 2007. It became a mainstamp to the American culture.
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  Video game discs were introduced in the early 1990s. However, some cartidges are still used today