The Tesla (TSLA) CEO is known for his casual use of Twitter — where his unusual communication style is unlike that of many other top executives. In 2018, he came under fire after tweeting that he was considering taking Tesla private, and the SEC charged him with fraud. Musk agreed to a court-approved deal in order to settle the charges, which required that Tesla lawyers review any social media posts containing information “material” to shareholders. Months later, after he was