Splicing information and social relations to suite the needs of different situations is increasingly important. The fields of learning and development have not yet been transformed to the online environment. The combination of learning/knowledge analytics, data visualization, and activity streams provide, I think, a sufficient basis for educators to begin planning for a post-course view of education.
Does scientific attention - as expressed through citations, media coverage, or practitioner knowledge - accrue to quality or reward the real contributors of breakthroughs? Or does attention in scientific publishing create a closed loop?