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

Barcode is just a way to display camera readable data..

Every product has EAN number, that is displayed in barcode form.

There are 10^18 possible combinations.. every country has it’s own

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