Dramatic jump in Windows 8.1 usage bodes well for Windows 10
From InfoWorld: As Gregg Keizer at Computerworld reports, Web usage numbers from NetMarketshare state that usage of Windows 8 and 8.1 went from 12.3 percent of the market in September to 16.8 percent, up 4.5 percent, in October -- a huge jump, by any metric. At the same time, Windows XP usage fell...