Tech focus now on Microsoft Windows 8, Surface tablet

SEATTLE (Reuters) - Firm sales numbers for Microsoft Corp's Windows 8 and its new Surface tablet will not be available for three months, but it may be clear long before then if it has a hit on its hands. "We can definitely gauge it by chatter," said Emily Chan, an analyst at Bernstein Research. "There is a slight learning curve, so I don't think we will see that big pop that iPad saw. Microsoft is desperate for the new-look , touch-friendly...