Most of us are very familiar with a bar code. You know, those linear bars that have to be scanned at the register to track inventory and to find out the price of an item. But do you know what a QR...
Most of us are very familiar with a bar code. You know, those linear bars that have to be scanned at the register to track inventory and to find out the price of an item. But do you know what a QR...
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