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Videos
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Presentation at Tech Ed 2010
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Anniversary
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Sam Guckenheimer and Ken Schwaber talk about the Scrum Alliance. Scrum.org, and the Scrum Developer program.
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Ken Schwaber at a Google Tech talk in 2006
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Audio
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What is PSD, why did I leave Scrum Alliance, why did I form Scrum.org?
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Interviews
For the press-
German Interview
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Source material
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Value conflict and measurement of change
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