When launching podcasts on the Spotify platform, it is important to track a variety of metrics to determine the success and impact of the feature. Some key metrics to consider include: 1. Engagement Metrics: This includes metrics such as total plays, completion rates, and average listening time. These metrics can help determine how users are engaging with the podcast feature and which podcasts are most popular among users. 2. Retention Metrics: Retention metrics such as repeat listens, return users, and churn rates can help determine how successful the podcast feature is in retaining users, and can help identify areas for improvement. 3. Discovery Metrics: These metrics can help track how users are discovering new podcasts on the platform. Metrics such as search volume, click-through rates, and browse behavior can help identify which discovery channels are most effective. 4. Monetization Metrics: If the goal is to monetize podcasts on the platform, metrics such as ad impressions, click-through rates, and revenue per user can help determine the success of the monetization strategy. 5. Feedback Metrics: It is also important to gather feedback from users on their experience with the podcast feature. This can be done through surveys, reviews, and user testing, and can provide valuable insights for improving the feature. By tracking these metrics, Spotify can gain a comprehensive understanding of how users are engaging with the podcast feature, and can use this information to make data-driven decisions that improve the user experience and drive business growth.