This is a method of monitoring.

https://www.google.c...x+used+to+convict

Of course, those mostly highlight the various scumbags who they caught various things, usually skating over privacy issues. Hey, you're in public, how dare you expect you every movement not to be scrutinised?

Which of course leads to this:

https://www.google.c...+of+car+black+box

Don't tell me it doesn't happen all the time, with minimal oversight (when any).

Of course, box's extreme on passenger list was kinda crazy. Until you get to this point.

Let's see, how long until all of us carry something in our pocket that can be read from a short distance that contains some kind of identification. Hell, the sensor can be embedded in our seat and we'd never know it.