Sorry here is the source: https://www.bleepingcomputer.com/news/security/ultrasound-tracking-could-be-used-to-deanonymize-tor-users/ https://www.bleepingcomput

Sorry here is the source: https://www.bleepingcomputer.com/news/security/ultrasound-tracking-could-be-used-to-deanonymize-tor-users/ https://www.bleepingcomputer.com/news/security/ultrasound-tr... It appears to have happened already