Who has ever taken the time to decipher or even try to understand the famous barcodes scanned on supermarket products? But why are you smiling? Who knows, it may come in handy before going shopping. They are not there by chance. In addition to scanning our purchases at checkout, these numbered combinations are a mine of information about the origin of the products you consume. Come on, a little deciphering to try to understand them better.

What is the barcode used for on products?
Scan the barcode on a wine bottle
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Scanning the barcode on a wine bottle – Source: spm

A barcode usually comes in the form of a square or rectangle: if you look closely, you will notice that it displays a combination of thick vertical black lines, blank spaces and numbers that identify a specific product and provide relevant information about this item. Of course, seen like this, you will not be able to get much out of it. It is necessary to have some knowledge of the tool to be able to decipher it. Its great advantage: the barcode saves companies time and money, as it can be read by a scanner (either a handheld device or a device integrated into a cash register), thus avoiding the cashier manually entering product information. The computer connected to the scanner will be able to read the code and use the exact combination of bars,

Good to know: These days, barcodes are everywhere, from household items in supermarkets or retail stores, to licenses, rental cars, checked luggage and hospital bracelets. In each case, they identify the product and encode important details.

What are the different types of barcodes?
There are two basic types of barcodes.

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