QR codes (also called quick-response codes) are like barcodes, but they're made to be scanned by a cell phone camera. They're used by businesses today in all kinds of ways—from marketing to creating a seamless payment experience. The beauty of QR codes is that they can be used for a variety of purposes. And because we love helping our customers and readers be more engaging with their digital signage, we're going to walk you through some of the most common ways to use them. Let's start with…