Microsoft making successor to Windows Mobile 5.0

Microsoft is developing its successor to the Windows Mobile 5.0 operating system, dubbed "Crossbow," which will contain a new mobile version of Office Communicator, an Office 2007 enterprise communications application that includes instant messaging on public and private networks. It's not clear when Crossbow will be released.

To read more about Microsoft's Crossbow plans:
- check out this article from IDG News Services