- Jet-tracking student Jack Sweeney is calling for people to boycott ADS-B Exchange.
- JetNet announced it had purchased the public flight-tracking site on Wednesday.
- Sweeney uses the site to share flight data on celebrities, including Elon Musk and Donald Trump.
The college student who tracks Elon Musk's jet says he's worried the tracking software he uses to keep tabs on celebrity aircraft could soon be yanked from the public after it was sold Wednesday.