Mike Lazaridis, an egghead inventor, and Jim Balsillie, a ruthless businessman, came together in a venture that would become a worldwide success in less than ten years. The two entrepreneurs were an odd pair. The BlackBerry, a compulsive mobile phone that revolutionized how people worked, played, and communicated, was a creation of one of them and a product of the other. But as BlackBerry reached new heights, it also began to become lost in the confusion of the Smartphone wars, managerial ambiguity, and outside diversions, ultimately contributing to the collapse of one of the most successful businesses in the annals of technology.