I do not know either. But lets assume that unknown you pointed at is true. What I do know is that if I look at the end result from a lay persons perspective, it

I do not know either. But lets assume that unknown you pointed at is true. What I do know is that if I look at the end result from a lay persons perspective, it will look "weird". Weird meaning it doesn't look like a normal QR code. This will result in the same thing I initially mentioned in that marketing will have to communicate to the shopper that they can use this just like a normal QR code, which is a communication problem, not a tech problem.