The 4 concurrent iteration loops: Innermost: "design thinking." 2nd level: user & market feedback. 3rd: business model. Outermost: "vision."
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Actually, just read this by
@balajis instead, which is much more carefully thought out: https://spark-public.s3.amazonaws.com/startup/lecture_slides/lecture5-market-wireframing-design.pdf …Thanks. Twitter will use this to make your timeline better. UndoUndo
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