A quick response (QR) code is a barcode that a digital device can easily scan. It encodes data as a series of pixels in a square grid.  Tracking information about supply chains using QR codes is very useful in marketing and advertising campaigns. The International Organization for Standardization certified

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The International Organization for Standardization certified QR codes as a global standard in 2000. They are an improvement over the previous uni-dimensional barcodes ( ISO) QR codes were developed in the 1990s to provide more information than a regular barcode. Segno is an open-source QR code generator that lets you create regular and micro QR codes.

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<p>A good article to enhance the knowledge.</p>
