If it senses that you've fixed your gaze on a specific location for more than a few seconds, a nose-bridge mounted HD camera will take a 50 x 50 pixel snapshot and compare it to its image database -- much like Google Goggles.

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His gaze is fixed instead on a garbage incineration plant on a nearby hill.

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She fixed the tutors, while they were talking, with a steady, critical, attentive gaze.

NEWYORKER: She��s the One