Just read this
The Redmond, Washington, software maker will pay its customers' full legal bills if they get sued over intellectual property issues relating to its products. Also, Microsoft no longer limits its liability when a customer suffers damages due to gross negligence or intentional misconduct on Microsoft's part, said Morris Kremen, associate general counsel at Microsoft, in an interview on Tuesday.
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http://www.pcworld.com/news/article/0,aid,111705,00.asp
Andre