First Mobile Phone Call, 1973

Today in 1973, Martin Cooper made a phone call from a prototype Dyna-Tac handheld cellular phone.  The phone, which weighed about 2.5 lb, connected Cooper to Dr. Joel S. Engel, head of research at Bell Labs.

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I launched the Big Data conversation; writing, research, marketing services; http://whatsthebigdata.com/ & https://infostory.com/
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