Achieving product market fit is challenging and typically requires multiple iterations based on user feedback. Modern product teams often use "feature gates" or "feature flags" to safely test new features in production, allowing teams to release features to a small, targeted subset of users and monitor product metrics before a broader launch. This approach not only enables teams to validate features effectively but also allows for the decoupling of teams, enabling a smoother release process. The text also highlights the evolution of experimentation culture, citing developments like CUPED for running faster, less biased experiments, and emphasizes the importance of A/B testing as a reliable method for obtaining evidence. Insights from industry experts and experiences from companies like Statsig and Facebook underscore the significance of a robust experimentation culture and the impact of A/B testing on product strategies.