Facebook I just share what i find intriguing. This blackbox post is from LA Times so it's upto you to decide whether to believe it or not
http://www.latimes.com/nation/la-na-roads-black-boxes-20131027,0,6090226.story#axzz2iwjiS0eb

Once they require blackbox in your car, it will monitor your speed and location at every second so you could be given a ticket automatically as soon as you cross the speed limit.