not to mention the Bluetooth in your car that gets logged on some highways as you drive to help detect and improve traffic patterns. https://www.wired.com/2012

not to mention the Bluetooth in your car that gets logged on some highways as you drive to help detect and improve traffic patterns. https://www.wired.com/2012/12/calgary-travel-time-information-system/ https://www.wired.com/2012/12/calgary-travel-time-informatio...