Blowing up the Business Plan at U.C. Berkeley Haas Business School
Steve Blank
MARCH 3, 2015
Over my career as a serial entrepreneur I observed that since the late 1990s, no early-stage Silicon Valley investor had used business plans to screen investments. The disadvantage is that its methodology was based on the old waterfall model of product development and not the agile and lean methods that startups use today.
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