Microsoft has "dramatically" changed because of open-source software, the company's <A HREF="http://www.cio.com/article/337114/Microsoft_s_Ozzie_Talks_Open_Source_Mesh">Chief Software Architect Ray Ozzie said Thursday</A> as part of a wide-ranging discussion during the annual Most Valuable Professional summit in Seattle. He also talked about Microsoft's mesh concept and the importance of virtualization.

"Microsoft fundamentally, as a whole, has changed dramatically as a result of open source," Ozzie said. "As people have been using it more and more, the nature of interoperability between our systems and others has increased." That means that from the very start when Microsoft begins developing new products, it considers what components it will want to open up to outside developers, he said.