How does the barcode system works?

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Like how is there no overlap of barcodes at all? There’s are millions if not, billions of items around the world that have unique barcodes. Are they differentiated per country or something?

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Anonymous 0 Comments

Think of barcodes as really just a type of font which displays numbers.

So the question isn’t “do barcodes really not overlap”?

The question really is, does every product have a unique number?

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