In the context of improving user retention for a new business messaging and collaboration product, the article explores strategies and analyses for increasing retention by 15% within the first seven days. Two main ideas are proposed: updating onboarding to encourage team collaboration and adding a pop-up for UI customization. The article emphasizes the importance of understanding retention, which is not merely tied to revenue but rather to meaningful product usage, and suggests using product analytics tools like Mixpanel for deeper retention analysis. By defining retention as the percentage of users who continue to derive value from a product over time, the text underscores the significance of establishing a baseline for improvement and using cohort analysis to understand user behavior. The importance of qualitative data is highlighted in enhancing retention strategies, encouraging a focus on understanding the behavior of the most retained users to build a product that maximizes customer value and minimizes churn.