Your Tongue Prints Are unique as finger prints!
Just like fingerprints, no two people have the same tongue print! Your tongue has a unique combination of ridges, textures, and patterns that make it completely one of a kind. Even identical twins, who have the same DNA, have different tongue prints.
Scientists have studied tongue prints as a possible method for biometric identification, just like fingerprints or retinal scans. Since the tongue is protected inside the mouth it doesn’t wear out as easily as fingerprints, making it a reliable way to confirm someone identity in the future, you might be able to unlock your phone or confirm your ID just by sticking out your tongue!
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why don't we use tongue Prints other than fingerprints