mobile operating system

Windows Phone 7: CPR for Microsoft's Mobile Efforts

Microsoft has unveiled the initial lineup of smartphones that will use its new mobile OS. Analysts seem impressed, but they warn that the software giant has a huge task ahead to lure consumers away from Apple iPhones and Google Android-powered handsets.

Goldman: Here's What Microsoft Needs to Change

The investment firm wants to see Steve Ballmer & Co. jack up the dividend, design a coherent consumer strategy and lead in cloud computing. The launch of Windows Phone 7 will be a key indicator.