Below are several papers (in PDF form) that I have recently presented.   Comments are appreciated:

Digital earth, convergence, and the discursive foundations of geographic information systems , presented at the Conference on Data, Department of Architecture, Rensselaer Polytechnic Institute, March 2000

Geographical practice and the ontologies of geographic information systems , presented at the Annual Meeting, Association of American Geographers, Pittsburgh, PA, April 2000

The whole earth, the digital earth, and the eclipse of wonder , presented at the Annual Meeting, Association of American Geographers, Pittsburgh, PA, April 2000

"Everyday Practices and Public Places," Presented at the conference on Transforming spaces: The topological turn in technology studies, Technical University Darmstadt, 22 - 24 March 2002

“Implications of the deployment of wireless emergency response systems,” (with David Phillips and Priscilla Regan) Sixth ETHICOMP International Conference on the Social and Ethical Impacts of Information and Communication Technologies, Lisbon, 13 - 15 November 2002