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Phone Calls to Facetime: 40 Years of Cellphones

Martin Cooper places first call on mobile phone on April 3, 1973

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1973: Dynamic Adaptive Total Area Coverage

A trailblazer in early-cellphone technology, Motorola debuted a prototype of the Dynamic Adaptive Total Area Coverage (DynaTAC) portable phone in 1973, laying the groundwork for what we know as the modern smartphone. Martin Cooper, at the time a vice president at Motorola, made the first handheld mobile phone call using the device.