Through a set of tools users can annotate, modify, and shift the content of a page. Shifts can be shared and can be mapped into Trails (contextual information maps).
"The dawn of uLearning: near-future directions for 21st century educators." The diagram above is a concept map of what is discussed in this thesis, and the paper is a good review of the literature.
With the help of Prezi you can create maps of texts, images, videos, PDFs, drawings and present in a nonlinear way. Move beyond the slide, it only takes 5 minutes to learn how to use Prezi.