https://www.cnbc.com/2018/08/10/elon-musk-takes-trump-style-twitter-trash-talk-to-the-business-world.html > At a quick glance, Donald Trump and Elon Musk couldn't be more different. > Elon Musk is a Silicon Valley messiah who made his billions building companies focused on renewable energy, private space travel, and disrupting the payments world.