October 16, 2011
Halloween Appeal Taps Smartphones
The ghosts and goblins, princesses and pirates on your doorstep this Halloween might also be high-tech fund raisers in disguise. For more than 60 years, children have collected money for the international-aid group Unicef as they make their trick-or-treating rounds.
This year supporters can contribute $10 by scanning a bar code that smartphones use to link to online information. The so-called QR code, for quick response, is now printed on the campaign’s iconic orange donation
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