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Biometrics

Biometrics is mostly about security; recognizing human traits such as fingerprint, voice, eyes, and faces.

For security, biometrics is in use today.  Casinos use face recognition technology to bounce “bad players”.  Car manufacturers use the fingerprint technology to get into the car.  Voice technology is used by people trying to detect understated emotion in criminals.  Brazil has a biometric national identification card for its citizens.  

Biometrics comes with some concerns.  Someone might chop off your hand or take your eyeballs in order to steal something from you.  With government involvement, we will be giving up a lot of our freedom to them in exchange for perceived security.