Simon Willison’s Weblog

I discovered a sound that leaks your exact location (and it's everywhere) - YouTube (via) Genius piece of OSINT by Colsto, who demonstrates how you can take almost imperceptible background noise of planes from a video soundtrack, figure out their Doppler curves, then cross reference them against ADS-B data to find the exact location of the video based on their speed, distance, and gaps between different flights.