Jack Sweeney and Getty
- Jet-tracking student Jack Sweeney has launched his own database for monitoring aircrafts.
- Sweeney told Insider he built an alternative to ADS-B Exchange, which was sold last month.
- Sweeney shares data that tracks private jets of celebrities, including Donald Trump and Elon Musk.
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.