If you have noticed that most things have bar codes on them, this is not only for ease of system but also for security. I guess you can hardly find a place, most especially stores with no barcode scanners wherever you go. Because it’s really a great help to everyone. Even our own work identification cards, credit cards, school identification cards, health cards, or what have you, all have codes in it that contain all the necessary information. It goes the same for products. Imagine how difficult it would be to determine which is which if everything was done manually.
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