Say what you like about Windows 8, but before it arrived Microsoft's presence in the tablet sphere was as small as it was stagnant. By the reckoning of number-crunchers at Strategy Analytics, just 400,000 Windows-running slates were shipped globally in Q3 of last year -- a figure that was largely unchanged from the year before and which represented just 1.6 percent of the global tablet market. Six months later, now that the Windows-powered Acers, Lenovos and Surfaces of this world have had a chance to get their game on, Microsoft's share has quadrupled to 7.5 percent, with a total of 3 million Windows 8 and RT tablets shipped in Q1 2013. That's still pretty niche, but 3 million units would have equated to a bigger share were it not for the fact that the overall tablet market also grew over this period, from 25 million to 41 million units -- and at least Microsoft can now claim to be a part of that boom. Look past the break for the numerical breakdown.