A $13B industry sells access to a QR algorithm that ships free in every language. The product is a redirect server, and when your subscription lapses, every printed flyer goes to a "subscribe to continue" page. Full piece: roamingpigs.com/r/qcis
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roamingpigs.com
The QR Code Industry Is a $13 Billion Shakedown
The QR code generator industry charges subscription fees for an open standard that takes three lines of code to implement.