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Biometrics is everywhere today! We are increasingly using specific human data to verify an individual's identity: their voice, retinal pattern, fingerprints, etc. Even door keys are no longer needed, as security systems can be configured with unbreakable biometric data. Some people are excited about these new opportunities, while others are worried about the impact of the latest technologies on our privacy. Meanwhile, scientists are already able to recognise a person by their veins, smell, and even... buttocks! You'll be amazed to learn how many unique features you have and how you can use them to protect yourself!