9-yr-old boy's letter to Tesla CEO Elon Musk calling him his 'hero' goes viral

A letter by a nine-year-old boy to Tesla CEO Elon Musk went viral after his father shared it on Twitter and Musk 'liked' it. The boy called Musk his "hero" and asked him six questions, including, "How did you start your career?" and "What do you think about your businesses?" The boy also said Musk should build a solar-powered car.