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No. There is no information stored or encrypted within the bars of a UPC bar code. The bars are simply a style of font (called the UPC-A font) that correlates to the 12 numbers beneath the bars. How Does information get linked to my bar code?
I don’t mind gluten-free stuff existing (if not for the gluten-free section, I’d never have known about “Mary’s Gone Crackers” “Super Seed” “Everything” crackers, which are fantastic... except now nobody carries the “Everything” variety that got ...