GaryK - 3:40 am on Nov 13, 2012 (gmt 0)

Windows unit president Steven Sinofsky is leaving the company, effective immediately [allthingsd.com], AllThingsD has confirmed. The move comes less than a month after Sinofsky presided over the launch of Windows 8 and Microsoft’s Surface tablet–products seen as key to the future if the PC software pioneer is to retain its position amid a market increasingly dominated by phones and tablets.