20 Questions With Microsoft's Ballmer

Stan Shih, the Acer founder, called the Surface almost a publicity stunt. He was hoping you guys would pull back. What is your response to that?

Well, it is not a publicity stunt, when we have got a lot of work to do to finish Surface 8 and Surface RT. We are working ahead.

But, it is not a publicity stunt. I mean it is a real piece of hardware that real blood, sweat and tears [went into] and engineering excellence and innovation and creativity and capital. We are in. We are also in with our partners. But we are in!