Elon Musk became an innovator at a very early age. Inspired to be an inventor by the example of Thomas Edison and Nikola Tesla, Musk considered three areas he wanted to get into that were particularly important. “One was the Internet, one was clean energy, and one was space,” he said. Subsequently, Musk went on to found or co-found the companies PayPal, SpaceX and Tesla Motors.These three companies produced, respectively, an Internet payment system (PayPal), the first viable electric car (Tesl...