ARIEL PASHTAN is president of Aware Networks, Inc., developing Web-based services and enabling technologies for the wireless Internet. He has over 20 years of software research and development experience working for Motorola, IBM, Gould, and Israel Aircraft Industries. His academic experience includes appointments at Northwestern University, Evanston, Illinois, and at the Technion, Israel Institute of Technology, Haifa, Israel, directing students' research projects, and teaching operating systems courses.