Windows 8 tablet strategy still risky[ Wed, 14 Sep 2011 17:05:53 GMT ]Windows 8 is impressive, an opportunity for Microsoft to regain its footing in the shifting, post-PC world. But how will it fare against the iPad? If Microsoft's OS can't run on a wafer-thin piece of glass and metal, for 10 hours or more, it's not going to get very far.