Big Data brokers are far more intrusive and dangerous to personal safety than publicly available flight tracking. Sharing this important opt-out list from #twitter #elon @yaelwrites
https://docs.google.com/document/u/0/d/1ElB7VXmr5JEkFaLJpO7YLGrAuasedmq-rZC-8TUMxTM/mobilebasic