This episode explores the challenges and triumphs of scaling a business, using the experiences of Duolingo CEO Luis von Ahn and two business owners as case studies. Against the backdrop of Duolingo's explosive growth from a billion-dollar valuation to thirteen billion, von Ahn discusses the adjustments required in leadership and decision-making as a publicly traded company. More significantly, the conversation pivots to the importance of focusing on core strengths and ignoring distractions, even when faced with intense competition and emerging technologies like AI. For instance, von Ahn highlights how Duolingo prioritizes user engagement and ignores requests for features that users claim to want but don't actually utilize. The episode then features two callers, Steph Krim of Good Things Vending and Blair Hastie of Bair, who seek advice on scaling their businesses and choosing the right products to focus on. In contrast to Duolingo's massive scale, these entrepreneurs grapple with questions of rapid expansion versus sustainable growth, and the challenges of validating market demand for new products. Ultimately, the episode emphasizes the importance of data-driven decision-making, focusing on core competencies, and understanding that users may not always know what they truly want. What this means for entrepreneurs is the need to prioritize data, focus on strengths, and be willing to adapt strategies based on real-world user behavior.