Eric Rosenwald used this information to track the movements of Jeffrey Epstein's plane. Among other things, he found that the plane was in Riyadh on the eve of the 2016 U.S. presidential election, at the same time Jeff Bezos was there to meet with MBS:
http://www.ericrosenwaldphotography.com/jeffrey-epstein-busi...
https://www.insider.com/epstein-riyadh-saudi-arabia-private-...
The TrueAnon podcast had an interesting discussion with him where he speaks at length about ADS-B:
https://www.patreon.com/posts/episode-36-in-33247305