Half a croissant, on a plate, with a sign in front of it saying '50c'
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Tongue prints

Biometric identification by mapping taste buds
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Works like an iris scanner but uses taste bud location for the pattern. Your tongue never touchs the scanner it uses a camera to obtain the image. Say you get home hop out of the car grab your groceries and head for the door. You get to the door but your hands are full so you can’t use the finger print scanner. You try the iris scanner but you left your sunglasses on. No problem, just stick your tongue out at the scanner and the door pops open.
duroncrush, Jan 21 2004

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       Local drug dealer goes down the street putting drops of LSD on tongue pads to have a good chuckle when the housewives start tripping out.   

       How do you keep it clean after the neighbor's dog comes and jumps up to have a good lick? Ever seen how dogs clean themselves? Yuk...pftu-ee...
Klaatu, Jan 21 2004
  

       Sounds like a good way to make sure that no one else is using your robotic sex partner.
DonBirnam, Jan 22 2004
  

       are taste buds visible?
po, Jan 22 2004
  

       We'll put a brunette wig on it for you.
k_sra, Jan 22 2004
  

       Honk! Honk!
gnomethang, Jan 22 2004
  

       Just what we need: another incentive for would-be burglars to cut off our tongues.
AO, Jan 22 2004
  

       This, unfortunately, would not work. Your taste buds are continually dying and regrowing. So your map of taste buds would constantly be changing. I will remain nuetral because even though it won't work, I still find it a fun idea.
babyhawk, Jan 22 2004
  

       Apparently ear-prints are stable and unique. A burglar here in the UK was "sent dahn" (i.e. convicted) on the basis of an ear print he'd left at the scene of the crime.
lostdog, Jan 22 2004
  

       So this is the development of a whole line of technology to compensate for those times when one can't remove one's sunglasses?
waugsqueke, Jan 25 2004
  
      
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