I have seen a couple barcode scan all the items for one product, wasn't in the department store long enough to see the bigger picture. At a guess, the data wou

I have seen a couple barcode scan all the items for one product, wasn't in the department store long enough to see the bigger picture. At a guess, the data would be used to trick the department store's information system at some offset in cyber to collect cheese, maybe to collect faked refund.