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Barcode and QR code readers and scanners are easy-to-use devices used to automate the process of identifying people and objects using a barcode or multidimensional code (QR, AZTEC, Datamatrix), which is read by a scanner. Such a code may contain a string of characters that, when appropriately assigned in the database, may provide information about the name, type and price of a product or provide information about a specific person who has been assigned their code.