Facial-recognition technology is going mainstream not just in police departments.

WSJ: Police Adopting iPhone-Based Facial-Recognition Device by BI2, Raising Civil-Rights Questions

Counter-terrorism agencies and the gaming industry have adopted facial recognition technology to identify the bad guys before they step on an airplane or onto the casino floor.

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Google's quietly pitter-pattering its acquisitive ways back into the controversial realm of facial recognition technology.

ENGADGET: Google acquires PittPatt, wants to know you on a face-to-face basis

Meanwhile, Scotland Yard says it is putting facial recognition technology into use, according to the AP, using a face-recognizing tool that was being developed in preparation for hosting the Olympics in 2012.

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