BusinessThe Lean StartupEric Ries
Editorial guide•English edition
The Lean Startup
A method for reducing startup uncertainty through explicit hypotheses, small experiments and validated learning.
Why it matters
Teams can spend months efficiently building something customers never needed.
02
Core ideas
What is worth remembering after you close the page
01
Build–measure–learn
Each product iteration should be designed to test a specific uncertainty.
02
Learning is the output
Early progress is better measured by reduced uncertainty than by feature count.
03
Pivot with evidence
A pivot changes the strategy while preserving what you learned about the goal.
03
Turn it into action
Three things to test today
- 1
Write the riskiest assumption behind your current idea.
- 2
Design the cheapest test that could disprove it.
- 3
Decide in advance what result would cause you to change direction.
This guide explains the book's ideas in independent wording and does not reproduce the original structure or text. Read the original for the full argument, examples and context.
Continue the idea