A QR code is a lot like a barcode you see on most products. QR codes are a great way to share information like websites and contact info.
They can be scanned using your camera equipped device and a proper QR code processing app (for Android, you can use the Barcode Scanner App; on iPhone - the QR Reader for iPhone.)
Once the code is scanned and processed, QRreader software takes you directly to the URL on your device, or shows you whatever else was encoded in the QR code.
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