AARON E. WALSH is Chairman of Mantis Development Corporation, a development firm specializing in advanced multimedia and network technologies. He is Chairman of the Web3D Consortium's Universal Media technical working group, Chairman of the Web3D-MPEG group responsible for the convergence of Web3D and MPEG technology, Co-Chair of the Web3D Intellectual Property Rights group, and Web3D Liaison to MPEG and the World Wide Web Consortium (W3C). Walsh is author of the best-selling Core Web3D, XHTML...