It is the newly announce Microsoft' Services Platform -> Azure Services Platform!
The Azure™ Services Platform (Azure) is an Internet-scale cloud services platform hosted in Microsoft data centers, which provides an operating system and a set of developer services that can be used individually or together. Azure’s flexible and interoperable platform can be used to build new applications to run from the cloud or enhance existing applications with cloud-based capabilities. Its open architecture gives developers the choice to build web applications, applications running on connected devices, PCs, servers, or hybrid solutions offering the best of online and on-premises.
Web Developers: Solutions - Azure for Web Developers Azure Services Platform
Corporate Developers: Solutions - Azure for Corporate Developers Azure Services Platform
ISV's: Solutions - Azure for ISVs Azure Services Platform
System Integrators: Solutions - Azure for Systems Integrators and Value-Added Partners Azure Services Platform
Business: Solutions - Azure for Business Azure Services Platform
Find out more here