QR code stands for Quick Response Code. First developed by Japanese company Denso-Waves in 1994. Today you can already see a QR code in a variety of media, banners, websites, t-shirts, and other devices.
QR Code can store url links, geographical coordinates, text and numbers. Compared to regular barcodes, QR has a large data storage space. For code numbers and letters, they are able to store up to 4.296 characters. Comparing with conventional barcode that is only capable of storing 20 digits.
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