Skynet is the name for a system of CCTV cameras, facial recogntion technlogy and biometric databases deployed in mainland China. It is used for criminal investigations, but also for political purposes. Skynet is of course also the name of the computer system that destroys most of humankind in the Terminator films.
Used in Chap. 12: page 180
Links:
Wikipedia: Mass surveillance in China- Wikipedia: Skynet (Terminator)