Although user engagement metrics are significant, it is also vital to concentrate on metrics that provide insights into user acquisition and retention. The count of New Daily Users can serve as a key True North metric, reflecting how appealing Facebook Stories are to new users. In addition, the Retention Rate, which measures how many users return to the feature after their initial interaction, is also essential. A high Retention Rate is a positive indicator, suggesting that users find value in the Facebook Stories feature and choose to use it consistently. Finally, incorporating user feedback through satisfaction scores or surveys could be a valuable metric, enabling us to gauge user sentiments and preferences, and offering important insights for feature development and enhancement.