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When you're in a giant nightclub it's hard to see anything, never mind a few dark bills sitting in the recesses of your wallet. Let's say you've had a few and your judgement's a little impaired. You go to hand a five to the bartender for that beer when in actuality you've handed a twenty! Pretty nice tip. The Luminous Paper Money will make sure you never overpay for a drink again.

Like any concept that is simple in design, the applications behind it are usually brilliant and the Luminous Paper Money is no exception. And if nothing else, it will be a pretty good conversation starter.