5 Ways to Use a QR Code
a convenient way to store all kinds of data in a small space
The QR code term stands for Quick Response Code. QR codes are square barcodes (two-dimensional barcodes) that were first developed and used in Japan. Like any other barcode, a QR code is nothing more than a way to store information in a machine-readable optical label. The data contained by a QR code can be anything from simple text, to email addresses, to phone numbers and so on.
QR codes store data using patterns of black dots and white spaces, arranged in a square grid. These patterns can be scanned and translated into human readable information, with the help of an imaging device, like a camera or a scanner, although the most common way to scan QR codes nowadays is to use your smartphone’s camera and a specialized app for reading QR codes.
Why are QR codes useful?
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