This document discusses using augmented reality and mash-ups in higher education. It defines augmented reality as enhancing the real world with computer-generated input like graphics, photos, and sound. Mash-ups combine data from multiple sources into new applications. The document suggests using mash-ups in augmented reality can facilitate online and collaborative learning. For example, a geology mash-up could blend maps, course materials, and data sets to create an immersive learning experience. Overall, the document argues augmented reality and mash-up technologies have potential to make online learning more engaging and help students build knowledge.