The PalmOS is the most widely-distributed operating system for handheld computers, with tens of millions of devices in use worldwide. Palm has a thriving developer community, with over 350,000 registered developers and countless hobbyist developers. The new edition of PalmOS Programming introduces the many updates to the PalmOS operating system in the past 24 months, including wirelss, color, and the Visor devices. In addition, this book looks forward at the next generation of Palm development and the new OS 5 slated for release in late 2002.