Free Coffee? A social experiment about consumption and altruism - 0 views
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Kevin Makice on 12 Aug 11Give a penny, take a penny - that's the concept behind Jonathan Stark's new "experiment in social sharing." He has put a picture of his Starbucks card online so that anyone in the world can use his account to purchase a cup of coffee. Just save the photo on your smartphone, go to your local Starbucks, and scan the barcode. Simple as that. You'll have a free cup of piping hot coffee.