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They gained popularity in the 1890s but then lost popularity in the 1930s
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This became a popular alternate to the candlestick phone because the mouthpiece and reciever were connected
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This revolutionary device allowed people to leave messages for other people with their phones.
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This removed the tedious work of dialing something into with the Rotary phone
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This was an amazing advancement in the phone industry considering nothing like this ever happened
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They sold 60 million units and is considered the first sucessful consumer cell phone