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Lean Startup: key terms, formulas and examples

Lean startup means building the smallest test (an MVP), learning from real customers, then pivoting or persevering in short cycles.

Example

A landing page with a sign-up button tests demand before any code is written.

Takeaway

Validate with customers first and measure what they actually do.

Key terms

Bootstrapping
Growing a business from its own earnings, without outside investors.
Minimum viable product
The simplest version of a product that lets you test an idea.
Crowdfunding
Raising small amounts from many people, usually online.
Scalability
Ability to grow sales a lot without costs growing as fast.
Customer discovery
Talking to likely customers to test assumptions.
Iteration
Repeating a cycle of build, test and improve.
Validated learning
Proof gained from real customer behavior.
Lean startup
Building and testing in small, quick steps.

Formulas

Customer churn rateL ÷ S × 100

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