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Digital Surveillance: Tools of the Spy Trade

Night-vision cameras, biometric sensors and other gadgets already give snoops access to private spaces. Coming soon: palm-size "bug-bots"
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  • DIGITAL STILL AND VIDEO CAMERAS fitted with large telephoto lenses make it possible for agents to discern the details of a faraway scene. An operative wielding a telephoto camera can read a newspaper headline (and, perhaps, subheads) from a football field’s length away.
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