Nope we’re not kidding, a restaurant in San Diego is using edible QR Codes on their sushi. Read more here:
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 are consuming.
News Watch
Read more: Edible QR Codes Make Sustainable Sushi Fun and Convenient – News Watch.