The Four Steps to the Epiphany

Blank, S. (2007). The Four Steps to the Epiphany: Successful Strategies for Products that Win. K&S Ranch Press.

Type

Book

Intellectual base

Review or monograph

Year

2007

Link

https://archive.org/details/fourstepstoepi00blan not authoritativematched

Cited from

statistics_experimental_design

Cited by

4 citations across 4 artifacts.

Each citation links to the sentence it supports in the citing article.

Primes

• Validation
  • Validation happens through customer discovery — a methodology Blank (2007) codified in The Four Steps to the Epiphany: interviews with target freelancers confirm they experience the pain point the tool addresses; beta testing with early customers shows they use the tool regularly and recommend it; churn analysis validates that customer retention is high; willingness-to-pay surveys validate that the pricing model aligns with perceived value.

    This sourceFoundational lean-startup text codifying customer discovery, beta testing, churn analysis, and willingness-to-pay validation as the core method of product-market-fit confirmation.

Domain-specific

• Landing-Page Test
  • Lean startup and product management — the canonical use (Ries, Blank)

    This sourceBlank’s customer-development source, whose Customer Discovery step sends the team out of the building to find out whether a market exists for the product.

    Supported in partVerified against the work's full text

    “division inside a larger corporation or in the [canonical] garage) follow similar patterns”

    Read by an automated reader; not a human review. How support was checked

• Problem-Solution Fit
  • Lean startup / customer development — the origin: Steve Blank's customer-development cycle and Eric Ries's lean loop both pivot on problem-solution fit as the explicit pre-build gate

    This sourceBlank's customer discovery, which tests whether the problem a startup believes it is solving matters to customers (the Blank half of the claim).

    Supported in partVerified against the source

    Read by an automated reader; not a human review. How support was checked

• Venture management
  • … autonomous team and decision rights, staged resources and runway, experiment and feedback cadence, learning metrics and pivot persist or scale rules and integration or exit conditions are explicit. to An applied instance preserves the invariant under changed notation, scale, dataset, jurisdiction, or implementation..

Verification

Does it exist? Not checked yet. This entry carries no identifier to resolve. It was extracted from the citation as written in the article, normalized, and deduplicated against the rest of the registry.

Does it back the claim? Read against the text for 2 of 4 citations: 2 supported in part. Each verdict is shown under its citation below, with what in the work backs the sentence.

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