At one time, everyone from Apple to Casio to Sharp made some sort of hand-held device.
Today there are only a handful of major players.
The line ranges from a new low-end model priced to compete with the Handspring Visor to the Palm VII wireless device. This handheld is the narrowest and lightest PDA yet. You can easily add memory, and its jog dial allows you to control the device with one hand. 2001 Time Inc. All rights reserved.