Open Source, CMS, and ocw

I've been reflecting recently on the subject of open courseware and, more specifically, OpenCourseWare following the keynote for the Sakai conference in Amsterdam delivered confidently and enthusiastically by Hal Abelson (a podcast is available). In this post I'll briefly recap some of the core aspects as I understand them and then go on to explore this area, based on personal experiences and ideas I've been formulating at Oxford.