Do you know what is QR Code?
A QR code (short for Quick Response) is a specific matrix barcode (or
two-dimensional code), readable by dedicated QR barcode readers and
camera phones. The code consists of black modules arranged in a square
pattern on a white background. The information encoded can be text, URL
or other data.
These are easily readable by most smartphones with camera by
installing small app.
It was first designed for the automotive industry.
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