Applies Steve Blank's Customer Development methodology from The Four Steps to the Epiphany. Use when a startup is searching for customers and a business model before scaling. Covers Customer Discovery, Customer Validation, Customer Creation, and Company Building. Triggers include 'we built it but no

Note: This skill is independent analysis and commentary, not a reproduction of the original text. It synthesizes the book's core ideas with modern startup practice, surfaces where frameworks are outdated or incomplete, and integrates perspectives from adjacent disciplines. For the full argument and context, read the original book. The Four Steps to the Epiphany "Startups that survive the first few tough years do not follow the traditional product centric launch model. Through trial and error, hiring and firing, successful startups all invent a parallel process to product development. I call this process 'Customer Development.'" Steve Blank Should You Use This Skill? The Core Insight 9 out of 10 new product introductions fail. Not because the products don't work because the companies never found customers. The Product Development model (Concept → Build → Test → Launch) was designed for manufacturing in the early 1900s and adopted by consumer packaged goods in the 1950s. It works when you're launching a new product into an existing market with known customers. Most startups have neither. Customer Development is a companion to Product Development, not a replacement. Each step is an iterative circle going backwards is natural and valuable, not failure. "It's OK to screw it up if you plan to learn from it." the heart of the methodology. The Ten Flaws of the Product Development Model Flaw Consequence 1 Where are the customers? Greatest risk is customer/market development, not product development 2 Focus on first customer ship date FCS means Engineering is done, not that you understand customers 3 Execution instead of learning Sales/marketing hired for what they know, not what they can learn 4 No meaningful sales/marketing milestones "Hire, fire, repeat" substitutes for real progress metrics 5 Product dev used to measure sales Clock to tell temperature measures the wrong thing 6 Product dev used to measure marketing All plans made in "a vacuum of real customer feedback" 7 Premature scaling Fully staffing sales/marketing before knowing if anyone will buy 8 Death spiral Premature scaling → burn rate → missed numbers → fire VP Sales → fire VP Marketing → fire CEO 9 Not all startups are alike Four Market Types need radically different strategies 10 Unrealistic expectations "Build it and the customers will come" is not a strategy, it's a prayer "In a startup, no facts exist inside the building, only opinions." The Four Market Types Everything depends on Market Type. It changes how you find customers, how you launch, how you spend, and how long it takes to become profitable. Market Type Definition Competitors Time to Profit Key Risk Existing Higher performance than what's currently offered Known incumbents define the market 12 18 months Cost of entry (Lanchester rules) New Enables something customers couldn't do before Non consumption / other startups 3 7 years Market may never materialize Resegmented (Low cost) "Good enough" at substantially lower price Incumbents who abandon low margins 18 36 months Must be profitable at low price Resegmented (Niche) Radical enough to change the rules for a subset Incumbents who defend profitable core 18 36 months Segmentation must be spot on "Market Type changes everything a company does." How to Tell Which Type You're In The Handspring/Palm Test Same team, same CEO (Donna Dubinsky), same product category, three years apart: Handspring (1999, existing market) : PDA market was billion dollar. Differentiated on expandability. $170M revenue in 12 months. Customers knew what a PDA was. Palm (1996, new market) : PDA market didn't exist. If Palm had used Handspring's "drive demand from competitors" playbook: zero dollars in sales. Had to educate customers about what a PDA could do. Identical products and team. Wrong Market Type strategy = death. Step 1: Customer Discovery "The goal of Customer Discovery is finding out who the customers for your product are and whether the problem you believe you are solving is important to them." What You Are NOT Doing Collecting feature lists from prospects Running focus groups to define the product Writing a Marketing Requirements Document Understanding the needs of ALL customers What You ARE Doing Testing whether your founders' vision matches a real, painful problem Building the product iteratively for the few , not the many Getting outside the building "The initial product specification comes from the founders' vision, not the sum of a set of focus groups." Earlyvangelists The Most Important Customers You'll Ever Know Not all early customers are equal. You need earlyvangelists visionary customers who: Characteristic Why It Matters 1 Has a problem Not latent they know it exists 2 Understands the problem Can articulate it and its cost 3 Actively searching for a solution Has a timetable 4 Has cobbled together an interim solution Proves the pain is real enough to act on 5 Has or can acquire budget Can actually buy The customer pain hierarchy: The Four Phases of Customer Discovery Phase Activity Key Question 0 Get Buy In Does the team agree to this process? 1 State Your Hypotheses What do we believe about customer, problem, product, pricing, channel, market, competition? 2 Test the Problem Do customers recognize and care about this problem? 3 Test the Product Does our product concept solve their problem? Will they pay? 4 Verify Iterate or proceed to Customer Validation? Six hypotheses to articulate before leaving the building: 1. Customer & Problem Hypothesis 2. Product Hypothesis 3. Distribution & Pricing Hypothesis 4. Demand Creation Hypothesis 5. Market Type Hypothesis 6. Competitive Hypothesis Pass/Fail "If, and only if, you are successful in this step do you proceed to Customer Validation." Passing means: founders' vision matches a real, painful, paid for problem. Failing means: iterate within Discovery or exit. Step 2: Customer Validation "Customer Validation is where the rubber meets the road." The Goal Build a repeatable sales roadmap "the playbook of the proven and repeatable sales process that has been field tested by successfully selling the product to early customers." What You Are NOT Doing Staffing a sales team Executing a sales plan Executing a "sales strategy" Generating revenue (that's a side effect, not the goal) "Building a roadmap to sales success, rather than building a sales organization, is the heart of Customer Validation." Sales Roadmap vs. Sales Pipeline A pipeline is the funnel (leads → suspects → prospects → closes → orders). Mature companies need it. A roadmap answers: Who influences? Who recommends? Who decides? Who has budget? Who sabotages? How many calls per sale? Average cycle? What selling strategy? Key customer problems? Profile of the optimal earlyvangelist? "It is impossible to build a sales pipeline without first having developed a sales roadmap." Core Questions Customer Validation Must Answer 1. Do we have product/market fit? 2. Do we understand the sales process? 3. Is the sales process repeatable ? 4. Can we prove it's repeatable? (Proof = full price orders) 5. Can we get orders with the current product? 6. Have we positioned correctly? 7. Do we have a workable channel? 8. Can we scale profitably? The Validation Team Founders/CEO must be in front of customers through at least the first iteration. Delegating to VP of Sales is often fatal. In enterprise/B2B, if no founder can close: hire a "Sales Closer" (NOT a VP of Sales) Sales Closer profile: regional manager background, great Rolodex, comfortable with ambiguity, not interested in building an org Pass/Fail The Canonical Pivot Three conditions to pass: 1. Repeatable customers 2. Repeatable sales process 3. Profitable business model "If you can't find enough paying customers in the Customer Validation step, the model returns you to Customer Discovery to rediscover what customers want and will pay for." This is the pivot predating the term's popularization. Failure here is not failure; it's learning. Most startups cycle through Steps 1 2 at least twice. Step 3: Customer Creation "Customer Creation builds on the success of the company's initial sales. Its goal is to create end user demand and drive that demand into the company's sales channel." Why It Comes AFTER Validation "No serious spending in marketing until the company has a proven and repeatable sales roadmap." Cash protection: this step is placed after Validation to move heavy marketing spending after the point where a startup has its first customers. The Fatal Error Most startups execute the same launch playbook regardless of Market Type. This is the 1 Customer Creation mistake. Customer Creation Strategy by Market Type Building Block Existing Market New Market Resegmented Market Year 1 Goal Market share Market adoption Market share + segment education Positioning Differentiation (faster, cheaper, better) Vision and passion ("what could be") Segmentation (unique valued spot) Launch Type Onslaught (full frontal) Early Adopter (targeted, low cost) Niche (focused onslaught) Demand Creation Drive demand into channel Educate about the market Educate + drive demand New Lanchester Strategy (Market Entry Cost) Military operations research applied to market entry: Leader's Market Share Implication Cost of Entry ≥74% (monopoly) Do NOT attack head on 3× their budget unaffordable ≥41% (clear leader) Very difficult Resegment or create new market 26 41% (unstable) Some opportunity 1.7× weakest player's budget <26% (fragmented) Market ripe for entry Affordable entry possible "Your goal is to become No. 1 in something important to your customer." First Mover Advantage Is a Myth Golder & Tellis (1993), 500 brands in 50 categories: 47% of market pioneers failed Early market leaders (entered ~13 years later on average) had 8% failure rate "The issue is not being first to market, but understanding the type of market your company is going to enter." The Three Launch Types Onslaught (Existing Market) : Full frontal assault. Maximum exposure. Heavy upfront spending. Only correct for capturing share in an existing market. Early Adopter (New Market) : Targeted, low cost. Goal is mind share, not market share. Education campaign targeting earlyvangelists. Create a "tipping point." New markets take 3 7 years to become profitable. Niche (Resegmented Market) : All demand creation dollars focused on one identifiable segment. If the segment is speculative, treat as new market instead. Messengers (from Gladwell's "Law of the Few") Three types to educate before launch: 1. Experts industry analysts, product reviewers, consultants. Value independence. 2. Evangelists paying customers who are unabashedly enthusiastic. "You can't get them off the phone." 3. Connectors bloggers, conference organizers, thought leaders who bridge multiple worlds. Phase Summary Phase Activity 1 Get Ready to Launch choose Market Type, set year 1 goals 2 Position Company and Product audits, match positioning to Market Type 3 Launch select launch type, audiences, messengers, craft sticky messages, measure 4 Create Demand match demand strategy to year 1 objectives, measure, iterate Step 4: Company Building "Company Building is where the company transitions from its

four-steps