Ballmer: Windows 7 sales on a roll

Delivering opening remarks at Microsoft's shareholder meeting on Thursday, Microsoft chief executive Steve Ballmer said that Windows 7 was off to a "fantastic start."

Delivering opening remarks at Microsoft's shareholder meeting on Thursday, Microsoft chief executive Steve Ballmer said that Windows 7 was off to a "fantastic start."

"We've already sold twice as many units as any OS in a comparable time frame," Ballmer said. "Windows 7 is simply the best PC operating system that we or anyone else has ever built."

By last week, Windows 7 accounted for four percent of web-accessing devices, according to Net Applications; it took Vista more than seven months to reach that level.

For more, read "Ballmer: Windows 7 selling like hotcakes on CNET News.