In this episode of The Long Game Podcast, Alex Birkett speaks with Sean Ellis, the creator of the term "growth hacking" and a pioneer in startup growth strategies. Sean shares his insights on product-market fit, the fundamentals of sustainable growth, and how AI is reshaping the startup landscape. From his groundbreaking work at Dropbox and Eventbrite to the evolving nature of customer acquisition, Sean offers practical advice for founders and marketers. This episode explores balancing foundational principles with emerging technologies and strategies to achieve growth in an ever-changing environment.Key TakeawaysThe Sean Ellis Test for Product-Market Fit: A simple yet effective question: "How would you feel if you could no longer use this product?" A response rate of 40% or higher for "very disappointed" indicates strong product-market fit.AI Accelerates Growth but Doesn't Replace Fundamentals: While AI tools streamline processes, the foundational elements—solving real problems and aligning with customer needs—remain paramount.Retention and Word-of-Mouth as Growth Signals: Organic word-of-mouth and customer retention are better indicators of growth potential than surface-level tactics like referral programs.Tailoring Customer Onboarding: Match onboarding experiences to the specific use case that brought a customer to the product, enhancing retention and satisfaction.Erosion of Product-Market Fit: Competition and commoditization, especially in an AI-driven market, can weaken a product’s position, necessitating continuous evolution.Practical Growth Strategies: Focus on high-value use cases for your most passionate customers, refine messaging to align with core benefits, and build a growth engine that scales sustainably.Show LinksVisit GoPractice or book a consultationConnect with Sean Ellis on LinkedInConnect with Alex Birkett on LinkedIn and TwitterConnect with Omniscient Digital on LinkedIn or TwitterPast guests on The Long Game podcast include: Morgan Brown (Shopify), Ryan Law (Animalz), Dan Shure (Evolving SEO), Kaleigh Moore (freelancer), Eric Siu (Clickflow), Peep Laja (CXL), Chelsea Castle (Chili Piper), Tracey Wallace (Klaviyo), Tim Soulo (Ahrefs), Ryan McReady (Reforge), and many more.Some interviews you might enjoy and learn from:Actionable Tips and Secrets to SEO Strategy with Dan Shure (Evolving SEO)Building Competitive Marketing Content with Sam Chapman (Aprimo)How to Build the Right Data Workflow with Blake Burch (Shipyard)Data-Driven Thought Leadership with Alicia Johnston (Sprout Social)Purpose-Driven Leadership & Building a Content Team with Ty Magnin (UiPath)Also, check out our Kitchen Side series where we take you behind the scenes to see how the sausage is made at our agency:Blue Ocean vs Red Ocean SEOShould You Hire Writers or Subject Matter Experts?How Do Growth and Content Overlap?Connect with Omniscient Digital on social:Twitter: @beomniscientLinkedin: Be OmniscientListen to more episodes of The Long Game podcast here: https://beomniscient.com/podcast/