TVs can emit ultrasonic tracking tones which your phone can pick up and link your TV identity to your phone identity (facebook, google, whatever apps have micro

TVs can emit ultrasonic tracking tones which your phone can pick up and link your TV identity to your phone identity (facebook, google, whatever apps have microphone access to listen). https://www.pindrop.com/blog/silently-tracking-users-with-ultrasonic-beacons/ https://www.pindrop.com/blog/silently-tracking-users-with-ul... https://www.theatlantic.com/technology/archive/2015/11/your-phone-is-literally-listening-to-your-tv/416712/ https://www.theatlantic.com/technology/archive/2015/11/your-... https://thehackernews.com/2017/05/ultrasonic-tracking-signals-apps.html https://thehackernews.com/2017/05/ultrasonic-tracking-signal... Also, virtually any device with cell connectivity includes a GPS on the same chipset so it's pretty trivial to connect that with google location data. So if it has 5G it has your location it has your identity.