How Many Customer Interviews Are Enough? The Pre-Testing Sweet Spot
How many customer interviews do you need? Learn why 10-30 is the sweet spot for pre-testing assumptions and driving faster decisions.
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212 articles on innovation, lean startup, and entrepreneurship
How to Craft a Lean Startup Pitch That Investors Actually Want
A lean startup pitch replaces five-year projections with experiments and validated learning. Here's how to show investors what actually matters.
How to Turn Customer Discovery Interviews Into Action
Learn how to analyze customer discovery interview data by tagging themes, finding patterns, and using informed intuition to move fast.
The Real Startup Book: Free Open-Source Lean Methods Guide
The Real Startup Book added new chapters on customer discovery interviews, concierge tests, NPS, and biases. Free under Creative Commons.
Customer Discovery Template: How to Prep and Run Better Interviews
Build a customer discovery template with a clear learning goal and four note types: quotes, observations, body language, and misc. Prep better, learn more.
The Real Startup Book: A Free Open Source Lean Startup Guide
The Real Startup Book is a free, Creative Commons lean startup guide written by the community. Download the latest PDF and learn how to contribute.
Wizard of Oz Prototyping vs. Concierge Test: The Key Difference
Wizard of oz prototyping and concierge testing both skip technology, but differ in user awareness. Learn when to use each lean startup method.
Concierge MVP Onboarding: Stop Losing Users and Start Learning
Concierge MVP onboarding means helping users 1-on-1 to get immediate value. Learn the GROW framework and how one startup saw 600% more retained customers.
Value Creation Looks the Same With or Without Technology
True value creation enhances real human experiences — not technology for its own sake. Here's what better and worse look like without tech or data.
The Real Startup Book: A Free, Community-Written Lean Guide
The Real Startup Book is a free, open-source startup book built by practitioners using lean methods. Here's how to download, contribute, or give feedback.
Lean vs Agile: How They Differ and Work Together in Practice
Lean focuses on customer value across the org; Agile focuses on software quality in engineering. Learn how they complement — and conflict — in practice.
The ROI of Innovation: Why It's the Wrong Question to Ask
The ROI of innovation is negative on paper — just like health insurance. Learn why smart companies treat innovation as options, not guaranteed revenue.