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Iris print
used in ATMs and electronic surveillance
Voice prints
you vocally make distinct variations in your pronunciation and speech as well as your pitch, timbre, and tone of voice
Face scan
-Computers can scan and recognize faces almost as readily as people can
-Used for tracking down terrorists and criminals in streets or transportation stations
-Some face scans are so advanced that they can scan and inspect pores and wrinkles in small blocks of skin
-This improves match reliability to 90% accuracy
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