On April 3, 1973, a Motorola employee named Martin Cooper strolled out onto New York's Sixth Avenue with an oddly-shaped plastic brick in his hand. He pressed a few buttons, puzzled onlookers by holding the device to his ear, and placed the world's first ever cell phone call to Joel Engel, the head of research at Bell Labs. Cooper told his chief rival that, yes, Motorola had successfully engineered the world's first cell phone. History: Made.... READ ON