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  He utters the words "Mr. Watson - come here - I want to see you." over his now working telephone.
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  The candlestick telephone was separated into two pieces: a mouth piece and a receiver. These phones died out in the 1940s.
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  The rotary phone, or turn dial telephone, was patented by Almon Brown Strowger on this date, but it did not become popular until the 1940s.
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  The automatic answering machine uses a cassette tape to record messages. These became more popular in the 1960s.
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  The tone-dialing phone, or push button phone, is introduced to residents in Pennsylvania.
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  Motorola employee Martin Cooper stands in midtown Manhattan and makes a phone call to headquarters of Bell Labs in New Jersey, informing them that he is calling via mobile phone.
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  Caller ID is now available on landlines, but not on mobile phones. Now, people can see who is calling them.
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  After years of speculation, Apple releases its first touchscreen smart phone.