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Now that Ballmer has fully stepped out of the shadow of Bill Gates, will he succeed? That's the big question. As CEO, Ballmer has certainly made his own share of missteps. The corporate culture inside Microsoft is often said to be fragmented, disorganized and sometimes cutthroat. And for every modest success Microsoft has seen (Bing searches account for a quarter of the total market), there is a disappointing setback (Windows Phone 7 has seen its share of the smartphone market shrinking). For every Kinect, there is a Zune.