If it doesn't already exist, it should be pretty simple to build the software so that a hobbyist can point a cheap camera at the road outside his window and rec

If it doesn't already exist, it should be pretty simple to build the software so that a hobbyist can point a cheap camera at the road outside his window and record every license plate passing by. You can ban cops from doing it, I guess, but I think someone will record all public spaces quite soon. I don't love it either...