Home improvement stores are finding ways to share data from their Flock license plate reader cameras with law enforcement, according to public records.
I don’t think watches, earbuds and other Bluetooth devices do. Also typically the MAC is per SSID/device
The reason they are hard to track is that you would need to track thousands of devices and then somehow correlate all of it. They are really only useful if you are trying to target someone but even at that there are easier ways.
Especially since cell phones randomize macs for privacy. Been doing that for years.
I don’t think watches, earbuds and other Bluetooth devices do. Also typically the MAC is per SSID/device
The reason they are hard to track is that you would need to track thousands of devices and then somehow correlate all of it. They are really only useful if you are trying to target someone but even at that there are easier ways.