From the fourth quarter of 2011 to the fourth quarter of 2012, investors saw Apple 's ( AAPL 1.71% ) tablet market share drop from more than 50% down to 43%. But is this really a cut-and-dry case of Apple's market share dominance fading away, or are there other factors at stake here? In this video, Motley Fool senior technology analyst Eric Bleeker takes a look at the new market share divide, and why these losses might not mean as much as they seem to.