handbooksBuild less, learn faster, and know when to change course.
Validated learning, the build-measure-learn loop, MVPs, metrics that are not vanity, and the three engines of growth. The essentials of Eric Ries's The Lean Startup, for anyone building something new under uncertainty.
Start here
The loop
Growth
In one sentence
Every method here works on a product with no customers and no revenue yet. Progress is measured in what you have proved, not what you have shipped.