At the Microsoft Professional Developers Conference here, Brad Carpenter, general manager of Microsoft's Surface team, told eWEEK the Surface SDK is available for developers to begin to use. Microsoft is hoping to expand its base of developers who create applications for the Surface computers, according to Carpenter, who leads the software platform development efforts for Microsoft Surface, including the development of the subsystem, shell and SDK.

Moreover, the Surface SDK aligns with the multitouch developer road map for Windows 7 and Microsoft's WPF (Windows Presentation Foundation), Carpenter said.

"We see this as a multibillion-dollar ecosystem by 2013," Carpenter said. "All of this investment by Microsoft requires great applications for this technology to really take off. And we expect more developers to take advantage of the new capabilities with the SDK."

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