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How local businesses can use QR codes in marketing

Have you ever noticed those little black modules that are positioned in a square pattern on a white background on some pages of the magazine and even at the back of your favorite beauty product? Well, it’s called the QR code which is short for Quick Response Code, what exactly is a QR code? It is a popular two dimensional barcode that was invented by Denso Wave in 1994 to scan parts at high speed, but now QR codes are widely used in social media, advertising, businesses and many more.