A while ago, I wrote a chapter with James Dalziel on bridging the gap between web 2.0 and higher education. It was published in the Handbook of Research on Social Software and Developing Community Ontologies, edited by Stylianos Hatzipanagos, & Steven Warburton, and published by IGI. There are some good chapters in this book, so it's definitely worth a read (despite the rather uninspiring title). I've had news that they are using it again in another book: E-Collaboration: Concepts, Methodologies, Tools, and Applications.
I wrote most of the chapter at the end of 2007, so it already feels a bit outdated, but I forgot to put the PDF up here earlier in the year, and I know some of you like those proper references so here it is. (I think I am breaking all sort of copyright law in publishing it, but am I bovvered?)