The ACM is running the Author-Izer project to enable authors to generate and post links on either their home page or institutional repository for visitors to download the definitive version of their articles from the ACM Digital Library at no charge. So here are my ACM publications free to download.
DESRIST ’09 Proceedings of the 4th International Conference on Design Science Research in Information Systems and Technology, 2009
CHI EA ’08 CHI ’08 Extended Abstracts on Human Factors in Computing Systems, 2008
HRI ’08 Proceedings of the 3rd ACM/IEEE international conference on Human robot interaction, 2008
DPPI ’03 Proceedings of the 2003 international conference on Designing pleasurable products and interfaces, 2003