Cellular phone technology is really taken for granted these days, but there was once a time when we didn't have this convenient method of communication. Forty years ago, on April 3, 1973, Martin Cooper of Motorola made a call from the DynaTAC phone. In case you are wondering who he called, it was Joel Engel, a rival over at AT&T. Cooper then went to a press conference … [Read more...] about First cell phone call made 40 years ago