Non-freedom to the Western mind is inevitably linked with images of backwardness – Soviet tractors, East German Trabants, Kim Jong Il’s haircut. But non-freedom these days is also iPads, iPhones and a dazzling array of less iconic but ubiquitous consumer goods that flood our stores, our homes and which increasingly are used to define our ideas of worth and happiness. It is a full-lipped smile achieved with the aid of collagen made from skin flensed from dead Chinese convicts.