The Earlier versions of Mobile OS ( Windows Mobile 6 , 6.1 ,5.0 , Pocket PC 2003 etc..) was more business oriented. Well , the new Mobile OS ( Windows Phone 7 ) focusses more on the End user or Customer oriented.
Bob Hunt in his Blog Windows Phone 7 for Business today and what’s coming soon talks about the strengths of Windows Phone 7 and about the updates that are on the way.
You can find more about the Windows Phone 7 Updates here
Bob provides a some answer of how the Business Users can be benifited with the WP7.
Read the complete post here