Microsoft's value has been falling because it is obvious that software commoditization threatens their revenues. Windows and Office isn't packed with growth potential. No amount of "vision" or "leadership" will defy fate.<p>Many products launched during Ballmer's tenure have been successful. More importantly, Microsoft has been able to move away from their core business.<p>* Sharepoint (A billion dollar product and a multi-billion dollar industry.)<p>* Axapta (purchased)<p>* Great Plains (purchased)<p>* Solomon (purchased)<p>* Xbox/Xbox 360<p>* BizTalk<p>* .NET (An application stack to compete with J2EE, unthinkable in 1999.)<p>----<p>During the same period, a number of Microsoft products went from minor items to major contenders in their industries.<p>* MS SQL was a Sybase clone in 1999; in 2009 it's a price/performance champ.<p>* Exchange was only used in "Microsoft shops" in 1999. Today it's the de facto standard.