Although its software runs on any handheld, customers prefer PocketPC, both because their other systems already run Microsoft software and because the HP handhelds are better suited to withstand rough treatment.
Atlanta-based EarthLink (nasdaq: ELNK - news - people ), the No. 3 Internet service provider in the U.S., is now offering wireless Internet service to not just Blackberry and Motorola (nyse: MOT - news - people ) pagers, but also to devices based on the Palm (nasdaq: PALM - news - people ) operating system and Microsoft 's (nasdaq: MSFT - news - people ) PocketPC platform.