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For example, one February 2007 exchange started with an e-mail to Microsoft CEO Steve Ballmer from board member Jon Shirley, who explained that he upgraded one of his computers to Windows Vista only to find it was experiencing compatibility problems with two of Microsoft's own MSN applications. Shirley wasn't upgrading his other computer because of a lack of hardware drivers. As many early Windows Vista users know, Shirley wasn't the only one experiencing those kinds of problems, especially in the initial months after release.
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