A file photo of the Door View Cam on display at the Ring booth during the 2019 CES International in Las Vegas. All these talking speakers, doorbell cameras and fitness trackers come with the promise of making life easier or more fun, but they're also potentially powerful spying tools. — AP
From the face scanner that will check in some attendees to the cameras-everywhere array of digital products, the CES gadget show is all-in on surveillance technology – whether it calls it that or not.
Nestled in the "smart home” and "smart city” showrooms at the sprawling Las Vegas consumer tech conference are devices that see, hear and track the people they encounter. Some of them also analyse their looks and behaviour. The technology on display includes eyelid-tracking car dashboard cameras to prevent distracted driving and "rapid DNA” kits for identifying a person from a cheek swab sample.
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