It can be argued that there is a shortage of brilliant and motivated philanthropists that shoulder a relentless drive to achieve life's most inconceivable aspirations. There are many to look up to -- from Stephen Hawking to Paul Allen -- but for now lets talk about two such inventors. One is Elon Musk, and the other is, well, a fictional version of Elon Musk.
A century ago a computer wasn't a machine -- it was a job title. It referred to people who spent their days doing arithmetic. Then processors were created that took over the role, and society adjusted the word to a new meaning. In today's rapidly transforming economy it's important to adjust more quickly.