Virtual Reality   Chair: Ken Musgrave , MetaCreations   Prototype System of Mutual Tele-Existence   A prototype system with 12 synchronized cameras that realizes real-time rendering of motion objects from arbitrary viewpoints.   Yutaka Kunita The University of Tokyo Graduate School of Engineering 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 JAPAN kuni@star.t.u-tokyo.ac.jp   WorldBoard: Enabling a Global Augmented Reality Infrastructure   WorldBoard is a standards-based technology that enables any Web object to be virtually attached to any object or placed anywhere on the planet. It uses XML, Web servers, and mobile computers.   Sonny Kirkley Information in Place, Inc. Suite 224 501 North Morton Street Bloomington, Indiana 47404 USA sonny@informationinplace.com   Handheld Interactions: Tailoring Interfaces for Single-Purpose Devices   This case study of human interaction and cognitive challenges in the development of single-purpose handheld devices presented results and working prototypes.   W. Bradford Paley Digital Image Design Incorporated 72 Spring Street New York, New York 10012 USA brad@didi.com   Virtual Car   The Virtual Car VR solution is an electronic sales-support system that uses an integrated, special-purpose I-O device during individual configuration sessions in the auto showroom.   Christoph Stratmann ART+COM Medientechnologie und Gestaltung AG Kleiststr. 23-26 Berlin D-12205 GERMANY strat@artcom.de