Grafedia is hyperlinked text, written by hand onto physical surfaces and linking to rich media content - images, video, sound files, and so forth. It can be written anywhere - on walls, in the streets, or on sidewalks. Grafedia can also be written in letters or postcards, on the body as tattoos, or anywhere you feel like putting it. Viewers "click" on these grafedia hyperlinks with their cell phones by sending a message addressed to the word + "@grafedia.net" to get the content behind the link.
This review provides a rich vision ofthe current and potential futuredevelopments in this area. It movesaway from the dominant view of mobilelearning as an isolated activity to exploremobile learning as a rich, collaborativeand conversational experience, whetherin classrooms, homes or the streets ofa city. It asks how we might draw onexisting theories of learning to help usevaluate the most relevant applicationsof mobile technologies in education. Itdescribes outstanding projects currentlyunder development in the UK and aroundthe world and it explores what the futuremight hold for learning with mobiletechnologies.