Sep 5, 2018, 11:59 AM ETConference Presentation, Fireside Chat

David Rusenko - How To Find Product Market Fit

Founding & Exit Facts: David Pisenko founded Weebly in 2006; the company sold to Square in May 2022 for $365 million.
User Scale: The platform reached 350 employees and 50 million users, with half of the US population visiting Weebly sites monthly.
Initial Struggle: The team worked for 11 months post-idea before launching full-time in San Francisco via Y Combinator in January 2007.
Early Traction Metrics: At 18 months into the venture (August 2007), the company still had not achieved PMF, despite featuring in Newsweek and Time magazine.
Turnaround Point: Traction shifted positively in October 2007 (20 months in), reaching nearly 1,000 daily new users without external press spikes.
Funding Details: Weebly raised $650,000 at Demo Day (14 months in) with a $2 million pre-money valuation, which Pisenko notes is considered a "pre-seed" round by modern standards.

Core Definition: PMF is the transition from "idea" to "traction," characterized by customers actively pulling the product rather than founders pushing it.
Difficulty Ranking: Pisenko identifies "finding PMF" and "hiring a world-class team" as the two hardest startup challenges, ranking "making money" as a distant third.
Market Creation: Successful startups often create new markets rather than competing in existing ones; consequently, traditional market research is often ineffective for new categories.
Hidden Needs: Entrepreneurs must identify "hidden needs" that are not obvious to the public, as obvious needs are already saturated by competitors.
Customer Pull Indicators: PMF is signaled when users "hack" the product to use it for unintended purposes, indicating a need the founders had not initially anticipated.
The "iPhone" Effect: New entrants often initially offer fewer features (e.g., no 3G or apps) but succeed by enabling a whole new set of users to perform a job previously impossible for them.

Iteration Cycle: The process involves a loop of: talk to customers -> build solution -> test -> iterate; Pisenko estimates an average of 27 iterations before success.
Prototyping vs. Scaling: Founders should build functional prototypes quickly without worrying about code scalability until traction is proven.
Outsourcing Warning: Outsourcing early coding is discouraged because it prevents the rapid, iterative "rinse and repeat" cycles necessary for finding PMF.
Cost Management: Startups must keep burn rates low to survive the 20–30 iteration cycles typically required to find a working product.
Target Audience Flexibility: Founders must remain flexible on their target customer definition if early users exhibit high engagement with unanticipated use cases.
Minimum Remarkable Product: Instead of a "Minimum Viable Product," Pisenko advises launching a "Minimum Remarkable Product" that is measurably better than existing alternatives.

Primary Metric (Returning Usage): The most critical early metric is the frequency of users returning to the product within 1, 3, 7, and 30 days.
NPS Benchmark: A Net Promoter Score (NPS) above 50 indicates PMF; Weebly achieved an NPS of 80 in early days (88% promoters, 8% detractors).
Renewal vs. Churn: Pisenko prefers tracking cohort-based "paying customer renewal rates" over standard churn rates, as churn can be deceptive during rapid growth phases.
Metrics to Ignore: Early-stage founders should de-prioritize raw signups and conversion rates, as high signups with low return usage indicate a lack of PMF.
UX Testing Volume: Only 3–5 UX testing sessions are required to identify critical usability bugs; more data does not necessarily yield better qualitative insights.
Testing Protocol: During UX tests, observers must not speak, touch the device, or help the user, even if the user struggles with basic tasks.

Team Size Limit: Pisenko advises against scaling the team past 20–25 employees before achieving PMF, as flat organizational structures break down around this number.
Micromanagement Advantage: Before PMF, founders should micromanage and retain deep knowledge of all product and customer details to make informed decisions.
Post-PMF Scaling: Once PMF is achieved, founders should scale aggressively (though not hyper-growth) to capture the new market, as advantages accrue to the #1 player.
Growth Cap: Pisenko suggests doubling company size at most per year post-PMF to avoid building a foundation on "shaky soil."
Business Model Fit: Product-market fit is insufficient; the business model (pricing) and distribution channel must also align (e.g., pricing must support the chosen sales strategy).

Pricing Journey: Weebly remained free until January 2008; the first paid tier ($4/month) launched in June 2008, with the company becoming cash-flow positive in January 2009.
Funding Timing: Most companies cannot raise significant capital before reaching "early traction"; early-stage funding typically relies on sweat equity or small angels.
Customer vs. Competitor Focus: Founders should optimize for customer jobs-to-be-done rather than feature-checklist comparisons against competitors.
Discontinuous Improvement: Creating a new market often requires "discontinuous improvement" (a big leap) rather than incremental continuous improvements.
Demographic Complexity: When purchasers and users differ (e.g., hardware for Gen X purchased by Gen X but used by Millennials), education and bridging the utility gap are critical.
Entrepreneur Qualities: Pisenko attributes persistence to "calculated risk-taking," optimism, and determination rather than a love of risk itself.