"How Facebook is Anonymized" given at Colorado School of Mines Golden, Colorado Feb. 12, 2011 "Anonymous APIs = Anonymous Cloud Services" given at Seventh Annual Microsoft Research Networking Summit, Research Showcase Bellevue, Washington Jun. 3, 2010 "Whozthat: Mobile Social Networks Whoz touching me? Whoz Music? Whoz Watching? Who Cares?" given at ETH Zurich, Switzerland Jul. 30, 2009 "WhozThat? Evolving an Ecosystem for Context-Aware Mobile Social Networks" given at APPM Dynamics/Complex Systems Seminar University of Colorado, Feb. 19, 2009