As the product manager for Facebook Rooms, my goal would be to increase user engagement and retention on the platform. To achieve this goal, my success metric would be to increase the number of active users on Facebook Rooms by 20% within the next six months. To accomplish this, I would focus on improving the user experience by implementing features that address user pain points and enhance the overall usability of the platform. This could include improving the onboarding experience for new users, adding new features that encourage more frequent use of the platform, and leveraging user feedback to identify areas for improvement. I would also focus on increasing awareness and promoting the value proposition of Facebook Rooms to potential users. This could involve investing in targeted marketing campaigns and partnering with influencers and other industry leaders to promote the platform. Overall, my approach as the product manager for Facebook Rooms would be to prioritize user needs and preferences, while also focusing on driving growth and increasing engagement on the platform.