Just L-O-V-E-D this statement on the elearnspace blog:
"Courses are artifacts of a learning model that is becoming obsolete. Courses work in an environment when knowledge/information is fairly static and developing slowly. The more rapidly information develops, the more quickly courses cease to serve the needs of learners. The information is outdated before the ink is dry." Read the rest of this piece, which discusses communities in learning: September 2003 archives under the heading, "Learning communities and learning networks".