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Is there some kind of a biometric scanner that can scan the pattern of blood veins in our palm?

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up vote 1 down vote accepted

Apparently it's being done in Japan by Fujitsu.

More can be found here.

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From your link, it was released 5 years ago by Fujitsu... why is it still not popular today? – Nov 18 '10 at 15:08
If I knew that, I'd be rich. I'm guessing cost, but having not tested it myself, it could also be complexity/benefits – GregD Nov 18 '10 at 15:11

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