Do us a favour: go and find a package you've just got. Have you found one? Great, look at the label now. Do you see a mass of blocks and black ones? You should know that from other purchases you made in-store: it's just a standard barcode, or maybe a quick response (QR) code, the same as you might find on a rubber pack or a copy paper package. Have you ever tracked the box, anxious to see when it's coming? Thank that barcode: it made it easy for you to remain in-the-know when it came to the progress of your package. Although it might seem like a huge step away from the original intent of a barcode, it's not a simple way to read product information. Instead, you can think of it as an extension to read this information at various points in the supply chain. Barcodes are important for any company that sells physical products. They are used in brick and mortar stores as part of the buy and return process, in warehouses to track inventory and packages, by shipping firms ...