What is a QR Code, and what are they used for? They are used to take information from a transitory media and put it in to your cell phone. There are so many uses for QR Codes now days. Check it out, you will find it useful!
QR is short for 'Quick Response' (they can be read quickly by a cell phone) or a QR reader device.
A QR code is a 2 dimensional code (also known as a matrix code) that can include text, links or
other information that can be read by smartphones