We use QR codes daily for different things like making payments, storing your travel information, visiting websites, connecting to Wi-Fi networks. These barcodes can be captured using smartphones. So in this article let's understand what is a QR code and how do they work. What is QR Code? Qr codes were first developed by a subsidiary of Toyota 'Denso Wave' to quickly track vehicles and parts through the company's automotive manufacturing process.QR code stands for Quick Response Code. Although Denso Wave still holds patents over the technology, QR codes are free for anyone to use without a license fee as long as the intellectual property is being used within the defined ISO/JIS standards.QR codes are machine-readable labels — computers can understand them much more easily than they can understand the text. In 2016 for instance, Snapchat and iMessage introduced support for QR codes as a method of adding new friends, WhatsApp uses QR codes as a quick way to access the de...
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