Casio is the latest of a string of personal digital assistant (PDA) makers to introduce Pocket PCs featuring Microsoft's Pocket PC 2002 operating system. Launched in Hong Kong yesterday, the HK$4,600 ...

The two personal digital assistants from Palm Inc. that debuted last week -- the Z22 and the TX -- could be among the last of their kind. PDAs started out as a nerd craze in the mid-1990s and then ...