Freakonomics chimes in on people "ripping off" the Korean tacos made by Roy Choi at his Los Angeles Kogi BBQ truck: "From a copyright perspective, cuisine is a lot like fashion. Recipes are unprotected by copyright, and so anyone can copy another’s recipe. Actual dishes—the 'built food' you order in a restaurant—can also be copied freely." But there's an unwritten code among chefs, "a system of social norms existed that constrained copying and enforced rules about attribution." [NYT]
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