On sale for less than a week, Microsoft's latest software offering, Windows 8, has sold more than four million upgrade copies alone, according to Microsoft chief executive Steve Ballmer speaking at the BUILD conference in Seattle.He also said the Seattle, WA.-based company is also seeing strong interest from business and enterprise users, and that Windows 8 was even outselling the software's predecessor, Windows 7, during the same period after launch in July 2009.
This was even more shocking:
Ballmer was not willing to disclose anything on the record about how well the latest operating system was selling. However, the software giant threw open the doors on at least one key metric.
Read more: Microsoft: Four million Windows 8 upgrades sold since launch | ZDNet