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1. See http:// http://www.microsoft.com/about/en/us/default.aspx, Our Mission and Our Values, as consulted on May 13, 2011.
2. See http://www.microsoft.com/about/companyinformation/ourbusinesses/profile.mspx, Microsoft’s Tradition of Innovation: from Revolution to Evolution, as consulted on May 13, 2011.
3. See also Drucker, Peter F. and Maciariello, Joseph A.: Management, revised edition, New York, HarperCollins Publishers, 2008 (revised edition of Management: Tasks, Responsibilities, Practices, Harper & Row, 1973), p. 85 ff., Chapter 8 “The Theory of the Business,” and Malik, Fredmund: Management: Das A und O des Handwerks, updated edition, Frankfurt am Main, Germany/New York: Campus Verlag, 2007, p. 170 ff.