The document discusses the potential applications of QR codes and augmented reality (AR) in education and marketing, highlighting their ability to link users to mobile-friendly content and interactive learning experiences. It includes various examples and resources for utilizing these technologies, such as creating educational games, historical tours, and feedback systems. The authors, Rachel Vacek and Anita Riley from the University of Houston Libraries, provide insights into the static nature of QR codes and the dynamic possibilities of AR, illustrating their relevance in modern educational settings.