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.

ENGADGET: 'Talking Places' is the Google Glass of tour guides, we go hands-on (video)

He fixed his gaze.

FORBES: What CIA Chief Panetta Taught Me About Leadership

His head moved back, his gaze fixed on the ceiling, and his eyes were glassy.

CNN: Terror on Trial: Timothy McVeigh executed

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

CNN: Warning -- this garbage is dangerous

In foreign policy, the gaze is fixed on the north-west.

ECONOMIST: Croatia

Connie fixed Seth with her steady, we-have-nothing-in-common gaze.

NEWYORKER: Good Neighbors

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

NEWYORKER: She��s the One