The latest web usage numbers from NetMarketShare for October show that free is the key to success. Microsoft’s Windows 8.1 and Apple’s new OS X Mavericks, both released as free updates, found their way onto a significant number of PCs for the month…. The latest web usage numbers from NetMarketShare for October show that free is the key to success. Microsoft’s Windows 8.1 and Apple’s new OS X Mavericks, both released as free updates, found their way onto a significant number of PCs for the month.

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