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  Alexander Graham Bell spoke into his device and said to his assistant, “Mr. Watson, come here, I want to see you.” In doing so, Bell launched the telephone era with the first bi-directional electronic transmission of the spoken word.
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  The candlestick phone was separated into two pieces. The mouth piece formed the candlestick part, and the receiver was placed by your ear during the phone call.
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  To dial, you would rotate the dial to the number you wanted, and then release.
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  The answering machine transformed phone behavior, allowing callers to leave a message if no one was on the other end.
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  AT&T introduced Touch-Tone, which allowed phones to use a keypad to dial numbers and make phone calls.
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  Portable, or cordless, phones were the phone equivalent of the TV remote. You were no longer physically attached to your phone’s base station.
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  The Motorola DynaTAC 8000X was the first commercially available mobile phone.