Project overview
A QR code (quick response code) is a type of 2D bar code that is used to provide easy access to information through a smartphone. QR code Example of a QR code In this process, known as mobile tagging, the smartphone’s owner points the phone at a QR code and opens a bar code reader app which works in conjunction with the phone’s camera. The reader interprets the code, which typically contains a call to action such as an invitation to download a mobile application, a link to view a video or an SMS message inviting the viewer to respond to a poll. The phone’s owner can choose to act upon the call to action or click cancel and ignore the invitation.