This piece from the TECHlearning IT guy will give you an idea of what it is and how you might use it ... Techlearning >> Twitter >March 4, 2008

(Double-secret info: It's not blocked!)

Cory Plough writes in TechLEARNING how the use of Web 2.0 applications has enhanced the creativity of his students work in project-based assignments.Implementing Web 2.0 tools in my courses has given me an opportunity to open the doorways of creativity and have students walk through it rather than supplying the gentle motivational nudge to which I'm accustomed.Read the article ...