This document discusses using QR codes in printed media to drive customers and sales. It provides an example of a medical business that put up a billboard with a QR code which led to an appointment for a consultation within an hour and their first sale within a day. The billboard generated so much interest that the local newspaper wrote a story about the mysterious square and how QR technology was impacting print media. The document promotes using digital elements like QR codes to boost print return on investment and let customers easily access more information.