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So I guess we could come up with more ideas.......like things to extend the architecture......like QR codes maybe. So, I have a card set and on each one is a QR code.......each card links to part of the catalogue.......i can use a card as a kind of bookmark for a catalogue section........so I'm on my phone browsing this set of cards and the first card says Toys......the second card says Clothes....the third says Electronic goods...