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This talk discusses public perceptions in the United States of a variety of potential new mobile technology applications. These perceptions are assessed in light of the public's current usage patterns and cultural beliefs as well as socio-economic background. Also discussed are how the social networks and individual concerns over privacy affect interest in new services, especially those that force a conflict between disclosure and convenience. The question of the body in relationship to communication devices is explored briefly. Finally, some ideas are offered in terms of innovative methodologies that could shed light on subtler aspects of user perceptions of emerging personal technology. Cette conversation aborde les impressions publiques aux États-Unis d'une gamme d'applications potentielles des nouvelles technologies mobiles. Ces impressions sont évaluées à la lumière des profils d'utilisation et croyances culturelles actuelles du public, de même que des antécédents socio-économiques. Il est également question de la façon dont les réseaux sociaux et préoccupations individuelles concernant la vie privée ont des conséquences sur l'intérêt envers les nouveaux services, surtout ceux qui imposent un conflit entre la divulgation et la commodité. La question du corps en relation avec les dispositifs de communication est explorée brièvement. Enfin, certaines idées sont offertes en termes de méthodologies novatrices pouvant éclairer les aspects plus discrets des impressions des utilisateurs concernant les nouvelles technologies personnelles. 
James E. Katz, Ph.D., is Chair of the Department of Communication at Rutgers University where he also directs the Center for Mobile Communication Studies. Currently he is investigating how personal communication technologies, such as mobile phones and the Internet, affect social relationships and how cultural values influence usage patterns of these technologies. His main current research involves the Liberty Science Center museum project to look at teen use of mobile communication for informal science learning (sponsored by the US National Science Foundation). Prof. Katz has had a distinguished career researching the relationship among the domains of science and technology, knowledge and information, and social processes and public policy. His books include Perpetual Contact: Mobile Communication, Private Talk and Public Performance (co-edited with Mark Aakhus), Connections: Social and Cultural Studies of the Telephone in American Life, and Social Consequences of Internet Use: Access, Involvement, Expression (co-authored with Ronald E. Rice). He is the author of more than 40 peer-reviewed journal articles and his works have been translated into five languages and re-published in numerous edited collections.
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