Azerbaijan National Academy of Sciences

In a world where tens of millions of people use "12345" or "qwerty" as their passwords, it makes sense to use biometric security instead, since each person has several unique biometric signatures that can be used instead of a password. Popular thinking about biometric security often includes fingerprint readers, iris or retina readers, and voice-activated systems. A study published in the International Journal of Biometrics has demonstrated how human laughter can be used in biometrics.

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