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Edible QR Codes Make Sustainable Sushi Fun and Convenient

Guests at the upscale Harney Sushi in San Diego now get a little something extra with their fresh tuna and crab rolls: edible QR (quick response) codes. When scanned with a smart phone or tablet, the codes take users to the NOAA (National Oceanic and Atmospheric Administration) FishWatch website, where they can learn about the sustainability of the seafood they…