How are wikis being used in teaching?

Articles and Other Resources 
 
 3 Challenges to Wiki Use in Instruction – Ruth Reynard 02/11/09 	 Wiki as a Teaching Tool – Parker & Chao, Interdisciplinary Journal of Knowledge and Learning Objects – Volume 3, 2007 	 Teaching, Learning, and other uses for Wikis in Academia – Campus Technology – 11/15/05 
 
 Examples at UCLA and elsewhere 
 Please add any examples of wikis being used in teaching that you know of here at UCLA or elsewhere. Thanks.