PDAs first showed up as scarcely more than electronic organizers, tracking appointments and personal contacts. But today these devices have emerged as the more readily accessible equivalent of your PC, with fairly sophisticated interfacing and syncing capabilities. You'll become dependent on your PDA, so get a warranty that will give you a loaner if yours needs fixing. Sync or swim Back up, back up, back up. Check the memory Make sure your PDA comes with enough memory for what you'll need to do with it.
Applications are notorious memory hogs.
Wireless web access. Surfing the web and checking email no longer requires sitting in front of a computer. Many PDAs can now be equipped with wireless modems or have them built right in. Some web sites are even starting to develop PDA-optimized content for easier viewing. More business-oriented apps.