...create a quiz on this site, and print out the QR codes which provide students with the directions and the questions via a series of QR codes. You can cut them apart and have a treasure hunt or simply give the students the codes and allow them to answer the questions by scanning the QR code with their mobile device.
...upload a multi-page document to the site, and a QR code is created and appears on the document when you download it. Then, you simply share the QR code, and users can download your entire document from the TagMyDoc site. Great for sharing large presentations and packages!