Heavy, clumsy and inflexible collaboration technologies are becoming a thing of the past. Even so, collaborative technologies have not been easily adopted by educators of all types, from K-12 to military training. Today’s lightweight applications can do a lot more and do it more easily than their ponderous progenitors. Stephen Downes, senior researcher at the National Research Council, will look at how Web 2.0 applications and social and collaborative technologies can support learning and guide institutions in leveraging their capabilities. From the Series:@Mason