Title: "Whozthat: Mobile Social Networks Whoz touching me? Whoz Music? Whoz Watching? Who Cares?" given at Auto-ID Labs ETH at Zurich, Switzerland Jul. 30, 2009

Title: "WhozThat? Evolving an Ecosystem for Context-Aware Mobile Social Networks" given at APPM Dynamics/Complex Systems Seminar University of Colorado, Feb. 19, 2009