Business Insider: The college student who tracks Elon Musk’s private jet is launching his own flight-tracking website. “Jack Sweeney, the 20-year-old college student known for tracking Elon Musk’s private jet on social media, is launching his own jet-tracking website. Sweeney told Insider he decided to create the web-based public database after aviation data company JetNet announced last month that it had purchased ADS-B Exchange, a free website that tracks thousands of commercial aircraft around the world.”