eric ries lean startup schematic view of agile development and customer development

Problem: known Solution: known

Waterfall

Traditional Product DevelopmentUnit of progress: Advance to Next Stage

Problem: known Solution: unknown

Agile (XP)

“Product Owner” or in-house customer

AgileUnit of progress: a line of working code

Problem: unknown Solution: unknown

Hypotheses, experiments, insights

Data, feedback, insights

Product Development at Lean StartupBusiness, marketing, engineering are tightly coupled in a company-wide feedback loop.

Unit of progress: customer validation

Customer Development Continuous cycle of customer

interaction Rapid hypothesis

testing about market, pricing, customers, …

Extreme low cost, low burn, tight focus

Measurable gates for investors

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