Steve Ballmer talks up smartphones and cloud

Steve Ballmer, a man with a strong penchant for developers
Steve Ballmer, a man with a strong penchant for developers

Speaking at this year's Professional Developers Conference in Redmond, Microsoft Chief Executive Steve Ballmer talked up the next generation of Windows Phone 7 smartphones and computing in the cloud at his opening keynote speech.

In a wide-ranging speech that touched on Windows 7, Internet Explorer and the new Windows Phone 7, the Microsoft boss was in a typically ebullient mood.