If you think that blind people cannot be able to use educational material for learning something, this book could change your idea. The increasing spread of the Information Technology, multimedia devices, along with the impressive growth of Web 2.0, have radically changed communication and ways of acquiring knowledge. Collaboration between individuals combined with an active, enriched sensorial experience of the user, have produced new paradigms for learning and teaching, compared to the classic passive methods of the past. Unfortunately, multimedia applications are usually designed for the...