QUOTE : but there was one thing not generally appreciated about the paranoid state. It was incredibly labour-intensive. There were simply not enough people to monitor all the cameras. Every shop had one, every bus and train and theatre and public convenience, every street and road and alleyway. Computers with facial recognition and gait recognition and body language recognition could do some of the job, but they were relatively simple to fool, expensive, and times had been hard for decades. It was cheaper to get people to watch the screens. But no nation on Earth had a security service large enough, a police force big enough, to keep an eye on all those live feeds. So it was contracted out. To private security firms all trying to undercut each other. The big stores had their own security men, but they were only interested in people going in and out of the store, not someone just passing by. So instead of a single all-seeing eye London’s seemingly-impregnable surveillance map was actually a patchwork of little territories and jurisdictions, and while they all had, by law, to make their footage available to the forces of law and order, many of the control rooms were actually manned by bored, underpaid, undertrained and badly-motivated immigrants.