Back then, the two companies were duking it out for innovation in the space, and this first mobile phone call was Dr. Cooper subtle way of telling his competitor that he won. He achieved what both companies had been setting out to do, which was take the concept of calling mobile. The move was indicative of an era that was defined by tech innovations, and the 1970s also saw the beginnings of rivalries between companies like Apple and Microsoft, AMD and Intel, and Nintendo and Sega. Many...
