As if you've missed the very public life of Tesla CEO Elon Musk, the latest glimpse into the world according to Elon came from this week's Tesla investor call. The future, per Elon, is dependent on autonomous cars, built by robots, driving themselves from the plant to the customer. And it is all almost ready, Musk told investors.

Tesla CEO and billionaire entrepreneur Elon Musk has a long history of making ambitious promises and often delivering late. Many of his biggest ideas are still in the works.