Jill/txt identified news about a politics module about the University of East Anglia where students are getting marks for editing and creating Wikipedia entries. I presume they must be downloading them and then working on them, since otherwise their work might have disappeared by the time it came to be marked. Interesting that this catches the headlines when the exercise itself is not that radical, but certainly it is a good exercise, as there are some very mediocre entries on Wikipedia (e.g.) in the information field, as well as on more sensitive topics.
BBC. (2007) "Students assessed with Wikipedia." BBC News, 6 March. http://news.bbc.co.uk/1/hi/education/6422877.stm