Stephen Levy

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There was more than athletic talent being pressed to peak performance at the 1984 Olympic Games in Los Angeles. Behind the scenes, a multilingual Olympic Message System ran round-the-clock keeping more than 10,000 athletes and officials in contact with families and friends, both far and near.
Rendezvous is a conference call solution that leverages Voice over IP, enterprise calendaring, instant messaging, and rich client functionality to enhance the user experience and effectiveness of distributed meetings. We describe the service, and two of its user experience innovations -- the conference call proxy and iHelp -- which function as digital(More)
<b>Two applications reveal the key challenges in makingcontext-aware computing a reality.</b><br>As mobile computing devices and a variety of sensors becomeubiquitous, new resources for applications and services - oftencollectively referred to under the rubric of context-awarecomputing - are becoming available to designers and developers. Inthis article, we(More)
IBM Enhanced Audio Conferencing (IEAC) is a VoIP-based audio conferencing system that, like several other systems, provides a visualization showing who is present and their states (e.g., speaking, muted). This paper presents the first study of the use of such a system. Drawing on log files collected over six weeks of use by over 1300 corporate employees,(More)
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