Motorola's DynaTAC 8000X wasn't commercially available until 1983, but its beginnings can be tracked back to 1973 when the company showed off a prototype of what would become the world's first mobile phone. The DynaTAC weighed almost a kilogram, provided one hour of battery life and stored 30 phone numbers in its phonebook. The Motorola DynaTAC is best known for bring used in the 1987 movie Wall Street, starring Michael Douglas as corporate raider Gordon Gecko.
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