IOS is an operating system that is used solely for Apple products. Nowadays, everyone can scan QR Codes via mobile, so many companies also use them with their marketing strategies to conveniently connect users to links and other content. With the invention of smartphones, this brought QR Code use to the public. The development of QR Codes was a massive improvement on product inventory systems because they had better error tolerance, could contain 100 times more data, could be read both horizontally and vertically, which is why QR Codes are square. Barcodes required complicated technology to be scanned, couldn't resist damage and held little information. The concept behind QR Codes originated from Japan as an answer to the demand for better technology than Barcodes. What are QR Codes and why do you need to scan them?
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