So what is a QR Code?

Well, put simply a QR Code is a barcode. The “QR” stands for “Quick Response”, with the message being able to be decoded at high speed.

Developed in Japan, QR codes are used in manufacturing, commercial applications and are often seen in magazines, on shop windows and even projected onto buildings.

Below is a typical QR Code and what it would look like printed in a magazine.

Typical QR Code

How do users decode these QR Codes?

Typically the uesr takes a photograph of the QR Code using the camera on their phone. QR software (pre installed) can either take over the user’s camera function and “sandbox” the photo in the application so it can take the photo and incorporate it into the software.

The software then decodes the image to either a URL or some text with the desired message.

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