San Diego chef Rob Ruiz of Harney Sushi has created edible QR codes that are printed on rice paper with water-based ink and stuck to the fish. Diners can use their smartphones to scan the codes and access information on the species in general as well as data on the specific piece of sushi on the plate. Harney said sales of sashimi have nearly doubled since the restaurant adopted the labels. "If they were scared about trying some of the specialty fish, now they can scan the code and know everything we have is traceable," he said.
San Diego sushi chef serves scannable seafood
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