July–September 2009 Guest Editors’ Introduction: Cross-Reality Environments Joseph A. Paradiso and James A. Landay Cross-reality is the union between ubiquitous sensor/actuator networks and shared online virtual worlds—a place where collective human perception meets the machines’ view of pervasive computing. Read More>> | |  | Mission Statement: IEEE Pervasive Computing delivers the latest peer-reviewed developments in pervasive, mobile, and ubiquitous computing to developers, researchers, and educators who want to keep abreast of rapid technology change. | | Subscribe to this Magazine |  | IEEE Computer Society Members get the best rates...Join Today >> |