For those who want to see the system in action, take a look at this video by a BBC correspondent - http://www.bbc.com/news/av/world-asia-china-42297153/surveill

For those who want to see the system in action, take a look at this video by a BBC correspondent - http://www.bbc.com/news/av/world-asia-china-42297153/surveillance-state http://www.bbc.com/news/av/world-asia-china-42297153/surveil.... In a small experiment, as soon as an alert is issued, the reporter is identified via facial recognition and apprehended within minutes as he walks through the city.