Product-market fit

Key Questions

  • What is product-market fit? 
  • Why is it important?
  • How can we find product-market fit?
  • How do we know if we have product-market fit?
  • At what point should we pivot away from the current idea?
  • What are common challenges to finding product-market fit?
  • How long does it typically take to find product-market fit?
  • Is finding product-market fit a continuum or a single moment? 
  • What kinds of experiments are most helpful when searching for product-market fit?
  • Is it better to run quicker smaller experiments or longer larger experiments?
  • What metrics are helpful in assessing product-market fit?
  • What is problem-founder (or founder-market) fit?
  • How can I determine what types of problems and markets are ideal for me?
  • What does a strong problem-founder fit look like?
  • What if I don’t have a strong problem-founder fit? Should I pivot?

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Bill Gross: Find Product Market Fit

(3 min video.) In this video Bill underscores the significance of aligning a product or service with the needs and demands of the market it intends to serve. He highlights how achieving product-market fit is fundamental for startups and established companies alike, as it directly impacts their ability to attract customers and generate revenue.

Michael Seibel: The Real Product Market Fit

(13 min video.) In this video, Seibel delves into the pivotal concept of “product market fit” for startups. He distinguishes it from merely meeting customer desires, emphasizing the necessity of explosive product usage. According to him this fit is defined by rapid revenue accumulation and staffing growth, and mitigates business failure risk, facilitates growth, and shifts focus to execution. He talks about how despite its benefits, achieving it is challenging, with many startups failing to do so. The journey to finding fit, which Seibel exemplifies with his ventures; Socialcam and Justin.TV, can be arduous, often involving financial hardships. Failure to attain it can result in premature exits or failures, underscoring its critical importance in startup success.

John Danner: Finding Product Market Fit 1/6 – Getting Started

(6 min read.) In the first article of his series on finding a product-market fit (PMF), John covers the basics of getting started and includes a report card that startup founders can use to assess their current PMF. He emphasizes the importance of early validation and experimentation, noting that what turns PMF from luck to intention is being great at experimentation and developing an experimental cadence. 

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John Danner: Finding Product Market Fit 2/6 – Magic

(3 min read.) In the second installment of his product-market fit series of articles, John focuses on the “magic” phase, where the goal is to get 80% of users willing to take the next step (preferably to pay for the product or at least get into a trial). He advises founders against doing any experiments that aren’t related to getting the magic conversion rate to 80%. One of the key points John makes is that nothing matters unless a startup can blow people’s minds in the first few seconds of interacting with its product or service.

John Danner: Finding Product Market Fit 3/6 – Habit

(4 min read.) John continues his series on product-market fit with a dive into the habit phase, noting that this is the time for startup founders to implement a strong measurement system. He lists three things a measurement system needs: lead attribution, funnel analysis, and retention cohorts of users by week to assess engagement and correlate it with retention. According to John, a startup should achieve 65% d30 retention before moving to the next phase. 

John Danner: Finding Product Market Fit 4/6 – Discovery

(4 min read.) The fourth article in John’s product-market fit series tackles the discovery phase, where the goal should be for 80% of users to experience the magic the first time they try a startup’s product or service. One key point he makes is that it is absolutely crucial to nail magic and habit before focusing on organic growth. This is not the time for founders to go on hiring sprees or buy a bunch of leads as that will interfere with establishing an experimentation cadence and make it harder to determine if a startup can grow organically. John also notes that this is the stage where it will be much easier to pivot. 

John Danner: Finding Product Market Fit 5/6 – Growth Loop

(6 min read.) John’s fifth article in the product-market fit series covers the growth stage, specifically the importance of creating growth loops. The goal here is to have 80% of converted leads from unpaid sources and achieve 20% MoM growth for 6-12 months. At this stage, a top priority is putting together a good small team of engineers. Attribution is also crucial because founders must figure out why people visit the website as this will reveal which experiments are working. John also notes that startups that have hit their organic growth milestones are likely ready to raise Series A funding. 

John Danner: Finding Product Market Fit 6/6 – Getting Ready for Series A

(6 min read.) In the final article of his product-market fit series, John outlines what founders should work on before raising Series A. At this point, a startup has magic, habit, discovery, and a great growth loop working, meaning it has found its product-market fit and is probably generating around $200k in MRR. According to John, founders should now focus on ensuring the unit economics model works, identifying adjacencies to move into without changing the product, thinking about moat, pinpointing the toughest things to scale and devising solutions, and doubling down on the product. 

Lenny Rachitsky: How to Validate Your B2B Startup Idea

(10 min read.) In this article, Lenny explores validating B2B startup ideas through various approaches. He highlights manual problem-solving, extensive user interviews, and prototype creation with design partners. These methods aim to uncover pain points, gauge emotional reactions, assess cold inbound interest, and ensure continued usage. Lenny draws examples from successful startups like Vanta and Ramp to illustrate the effectiveness of these strategies. Through case studies and insights from founders, he emphasizes the importance of thorough validation before committing resources to building a product.

Lenny Rachitsky: A Guide for Finding Product-Market Fit in B2B

(18 min read.) In this article, Lenny stresses customer obsession and meaningful revenue milestones as integral for finding product-market fit in B2B. It’s part of a series on launching and scaling B2B ventures, featuring insights from CEOs and founders. Key points include the journey to PMF, which typically takes 2 years from idea to feeling fit, and 9-18 months from a working product to PMF. Notably, achieving PMF doesn’t necessarily mean feeling done with it, as it’s an ongoing process of aligning with various market segments. Success stories and cautionary tales underscore the importance of trust, customer retention, and iterating rapidly based on customer feedback to achieve meaningful revenue milestones.

Melissa Kwan: Bootstrapping and the Ups & Downs of Finding Product Market Fit

(53 min video.)Kwan highlights the extensive groundwork required to refine the product before launch. In her case she focused on ensuring the product was polished to encourage early adoption and payment, emphasizing the difficulty of converting beta users to paying customers. Kwan utilized her previous sales experience to secure the first 50 customers by personally reaching out to her network. The initial customer interactions were critical for gathering feedback to fine-tune the user experience and automate the onboarding process. Her strategic approach underscores the challenge of transitioning from a service-driven business model to a product-centric one, particularly in automating and scaling sales processes in a new market domain.

Drew Houston: (Founder Stories) Dropbox: Success and Growth

(6 min video.) Houston shares key inflection points in the company’s early success. A Y Combinator video and a clever product demonstration on Digg garnered significant attention, leading to 75,000 sign-ups in 24 hours. Dropbox opted for a Gmail-style closed beta to manage growth and address bugs, ensuring a positive user experience. Houston talks about how this beta period lasted about a year and a half before the public launch at TechCrunch50 in 2008, where user numbers doubled in ten days and reached a million within six months. According to Houston, early, effective marketing strategies, though initially seen as makeshift, played a crucial role in their rapid growth.

Sequoia: The Arc Product-Market Fit Framework 

(3 min read.) This article outlines three archetypes for understanding product-market fit (PMF): “Hair on Fire,” “Hard Fact,” and “Future Vision.” These archetypes help startups identify their product’s market position and customer relationship dynamics. “Hair on Fire” addresses urgent, clear needs with heavy competition, requiring differentiation. “Hard Fact” involves changing ingrained habits with a novel approach to a resigned problem. “Future Vision” creates new paradigms, requiring patience and strategic pit stops. The framework aids startups in navigating their PMF journey, recognizing fluid dynamics and the ongoing quest to maintain and expand PMF as the market evolves.

Andrew Chen: Zero to Product/Market Fit 

(8 min read.) Chen’s article on achieving product/market fit highlights the critical importance of user engagement and retention for startup success. He cautions against the “Next Feature Fallacy,” the mistaken belief that adding more features will solve engagement problems. Instead, he advises focusing on pre-existing market categories with significant demand and finding a unique wedge to stand out among competitors. Chen emphasizes being thoughtful about product iterations and market positioning. Once product/market fit is achieved, scaling becomes easier through optimization of growth channels such as paid ads, viral loops, and user-generated content.

Dan Olsen: Mastering the Problem Space to Achieve Product-Market Fit

(32 min video.) Olsen emphasizes the importance of understanding the problem space to achieve product-market fit. He presents the Product Market Fit Pyramid, highlighting its five layers: target customer, customer needs, value proposition, feature set, and user experience. Olsen stresses that many teams focus too much on the solution space (features and design) and neglect the problem space (customer needs). Using examples like TurboTax and Instagram, he demonstrates how to map customer problems to product solutions. He also introduces tools like the Kano model and the Value Proposition Grid to define and differentiate a product’s value. He urges product managers to avoid jumping to solutions and ensure their teams clearly understand the problem space.

Peter Reinhardt: Finding Product Market Fit

(7 min read.) Reinhardt shares the journey of their initial failure and eventual success in finding product-market fit. In the company’s early years, Reinhardt acknowledges they were delusional, pushing through ideas without genuinely validating the market need. Their first significant realization came in December 2012, leading them to discover that their product genuinely solved a customer problem. This pivot turned around the company’s trajectory, transforming from misdirection to rapid growth with 6,500 customers and a team of 70. Reinhardt emphasizes the critical lesson of thoroughly validating the problem before developing solutions, advising founders to balance their vision with a strong dose of skepticism to avoid wasting time and resources on non-viable ideas.

Peter Reinhardt: Judging Product Market Fit

(3 min read.) Reinhardt, in this article, discusses finding product-market fit through interactions with customers and testing new product ideas. In a particularly revealing meeting with a large ecommerce company, Reinhardt presented five product concepts, receiving generally positive but non-committal feedback for the first four. However, the fifth concept elicited a strong, immediate response from the company’s head of digital architecture, indicating a clear need and eagerness to implement the solution quickly. This reaction starkly demonstrated true product-market fit, contrasting with the more ambiguous responses to other concepts. Reinhardt reflects on the importance of discerning genuine customer demand from polite interest, emphasizing that real product-market fit is unmistakable, often characterized by the customer actively pulling the product into their operations rather than the company pushing it.

Paul Graham: How to Get Startup Ideas

(25 min read.) Paul delves into the issue of finding startup ideas, using as examples some of today’s most successful companies to illustrate his points. One of his key observations is that the best startup ideas tend to have three things in common: they are things the founders themselves want, things the founders themselves can build, and things that few others realize are worth doing. Graham notes that the best approach is organic: Aspiring founders should try to notice what is missing in the market rather than try to think up ideas as the latter typically results in bad ideas. 

Ned Renzi: Problem-Founder Fit

(3 min read.) Ned Renzi argues that in seed-stage investing, “problem-founder fit” is crucial for significant success. This concept refers to the founder’s unique insights, intuition, and unwavering determination stemming from personally experiencing the problem they are trying to solve. Ned contrasts this with “mercenary managers,” who lack this personal connection, resulting in less effective decision-making and navigating market challenges. He cites examples like Google, Amazon, and Tesla, highlighting the consistent dominance of founder-led companies. He emphasizes the success story of Reggie Aggarwal at Cvent, showcasing the power of founders addressing their own problems. While acknowledging that not all founders are suited to be CEOs, Ned stresses the importance of building a strong team to scale the business and achieve goals. He concludes that “problem-founder fit” will be a key criterion for his next investment fund, acknowledging its significance in identifying potentially successful ventures.

Jeff Bussgang: The Outsiders: Defying the Myth of Founder-Market Fit

(4 min read.) Contrary to the common belief that founders must possess deep domain expertise to achieve product-market fit, numerous successful entrepreneurs have proven that outsiders with limited domain knowledge can still achieve success. Jeff argues that outsider founders can achieve founder-market fit by actively researching their chosen industry, hiring domain experts, and engaging with potential customers firsthand. He also highlights key attributes that contribute to the success of outsider founders: charisma, authentic passion, unwavering determination, and a unique X-factor that inspires others.