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- CryptoWall held over half-a-million computers hostage, encrypted 5 billion files
In Pictures: Holiday 2012 tablet buying guide - top picks
The tablet market is awash with iOS, Android and Windows 8 models that come in different sizes and with different features, specs and prices. How do you decide? Start with our Holiday 2012 Tablet Buying Guide, which highlights the top picks in 13 categories.