A Quick Response code, or QR Code is a two-dimensional barcode that has the ability to store relatively large amounts of data. Typically, QR codes are used in a printed medium to access specific online information.
Here is an application that utilizes the power of QR Codes:
State Construction Registry
After a construction filing has been made, the contractor may print the notice on the job site and others can access the lengthy URL quickly using a QR code.