Ubiquitous computing--almost imperceptible, but everywhere around us--is rapidly becoming a reality. How will it change us? how can we shape its emergence? Smart buildings, smart furniture, smart clothing... even smart bathtubs. networked street signs and self-describing soda cans. Gestural interfaces like those seen in Minority Report. The RFID tags now embedded in everything from credit cards to the family pet. All of these are facets of...