Microsoft has revealed a bunch of numbers surrounding the development of Windows 7, and boy do they carry a lot of weight.
Full Story: http://arstechnica.com/microsoft/news/2009/10/windows-7-had-8-million-testers-biggest-beta-ever.ars
Full Story: http://arstechnica.com/microsoft/news/2009/10/windows-7-had-8-million-testers-biggest-beta-ever.ars