Key links are shared describing realignment from three separate divisions to a single business functional company structure:

QUOTE: Ballmer said Microsoft will now be organized according to functions, with those being engineering, marketing, business development and evangelism, advanced strategy and research, finance, human relations, legal and the office of the chief operating officer. He said each area would be charged with driving the Microsoft’s overall strategy, while also being responsible for its core business capabilities.  But the reorganization’s biggest emphasis appeared to be on Microsoft’s engineering operations, with Ballmer saying the company “will pull together disparate engineering efforts today into a set of our high-value activities.”