Finally someone makes QR codes useful > Clik: Control Any Screen With Your Smartphone via @PSFK

infodipity:

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One day, pounds and euros will be printed with QR codes to allow for people to see current fluctuations in bank note values with respect to the international market, printing plant of orgin, and other information about the country of which it was issued. Although money will become more electronic, why not have a link between our currency and the electronic medium that determines its value. This could be particularly useful for empowering tourists for exchange rates, and helping them determine the value of a good in their native currency. There are many opportunities for this idea.

via QR code money - Popwuping