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Robert Hooke creates an acoustic string telephone that conveys sounds over a taut extended wire by mechanical vibrations
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In the 1870s, Alexander Graham Bell independently designed devices that could transmit speech electrically (the telephone)
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Alexander Graham Bell, his future father-in-law Gardiner Greene Hubbary, and Thomas Sanders formed what would become the Bell Telephone Company. One year later, the company came up with the Buttersamp receiver, named such because it resembled a dairy butterstamp.
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the creation of Canadian company Research in Motion (RIM), which successfully meshed PDA functionality with a cell phone in a single unit.
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