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Tablet shipments worldwide topped 52.5 million units over the holidays, an increase of 75 percent — the biggest single jump in the history of the tablet market. Tablets are now more than half the size of the traditional PC market, or 58 percent.

That’s what we’ve deduced from a little math following the release today of the latest tablet data from the IDC research company. See the chart above to get a sense for the trend.

Apple’s iPad declined in market share but still drove 22.9 million of those tablet shipments in the latest quarter, or more than 43 percent, remaining the top tablet.

After years of seeing Windows PCs dominate personal computing, considered broadly, Android and iOS devices combined seem to be on a pace to outsell Windows PCs in the not too distant future. Think about that in the context of the historical Apple vs. Microsoft rivalry. Pretty incredible.

Here is IDC’s ranking of the worldwide tablet market for the quarter. The Samsung and ASUS totals include some Windows tablets along with Android, but Microsoft’s Surface, with an estimated 900,000 units shipped, didn’t crack the top 5.

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