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Phone Calls to Facetime: 40 Years of Cellphones

Perhaps most famous for its use by corporate raider Gordon Gekko in the 1987 film "Wall Street," the Motorola DynaTAC 8000X weighed just under 2 pounds and cost an equivalently hefty $4,000. The phone worked on North America's first 1G service—a harbinger of the 4G that is de rigueur with smartphone consumers now.