For the past 33 years, we have shared a lot of information with hundreds of thousands of partners around the world and helped build the industry, but today’s announcement represents a significant expansion toward even greater transparency. Our goal is to promote greater interoperability, opportunity and choice for customers and developers throughout the industry by making our products more open and by sharing even more information about our technologies.Read the complete release here.
The products whose APIs would be released are Windows Vista (including the .NET Framework), Windows Server 2008, SQL Server 2008, Office 2007, Exchange Server 2007, and Office SharePoint Server 2007, and future versions of all these products.
Can we have someone look into the revenue of these products as well?
Translated, will now have to buy a license and become a registered member of MSDN to understand the APIs for the "high volume products".
RedHat was not so much impressed with this release, read more of it here.