Microsoft CEO Steve Ballmer was speaking at a developer forum event in Japan and made an open mention about "Windows 8," marking perhaps the first time he's publically referred to the next OS with that name. Microsoft's own transcript that's published on its PressPass site quoted Ballmer saying: “We’re obviously hard at work on the next version of Windows. Windows 7 PCs will sell over 350 million units this year. We’ve done a lot in Windows 7 to improve customer satisfaction. We have ...