Video - Business News
Posted on April 3, 2013 at 5:02 PM
Updated Wednesday, Apr 3 at 5:02 PM
Martin Cooper, a vice president at Motorola, stepped onto a New York City sidewalk on April 3, 1973 and made the first known cell phone call in history. And, whether you thank him or blame him, we haven't stopped talking, texting and tweeting since.