DEAN ANTHONY GRATTON has witnessed the evolution of Bluetooth firsthand as a consultant for organizations such as TDK Systems Europe, Alcatel Microelectronics, Plantronics, and 3Com Europe, and as an active participant in the Bluetooth standards process. He edited the Bluetooth LAN Access Profile, served on the Personal Area Networking Working Group and contributed to the latest Specification of the Bluetooth System: Profiles v1.1. His work on defining new aspects of Bluetooth technology has recently been patented.