Part of the robustness of QR codes in the physical environment is their ability to sustain “damage” and continue to function even when a part of the QR code image is obscured, defaced or removed. This is acheived by using the Reed-Solomon Error Correction algorithm – some serious algebra that happens in background when the QR code is created. The …
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Top 14 Things Marketers Need to Know About QR Codes - Search Engine Watch
Are you ready to jump start a mobile marketing campaign with QR codes? This comprehensive guide will tell you everything you need to know to begin your 2D barcode marketing campaign – including code types, tools, best practices, and more.