Watchful eye: Omniscience refinements
Each time “someone clicks on a Web page, makes a phone call, uses a credit card, or checks in with a microchipped pass at work, that person leaves a data trail that can later be tracked. Every day, billions of bits of such personal data are stored, sifted, analysed, cross- referenced . . . to build up profiles to predict possible future behaviour” (the Economist, September 29, “Learning to Live with Big Brother”). Can we escape? Never. “America . . . has an estimated 30 m[illion] surveillance cameras. . . .