The success of Facebook Lite can be assessed through a combination of metrics related to user acquisition, user retention, and user engagement. User Acquisition: It is essential to keep track of the number of downloads, the influx of new users, and the growth rate. Additionally, we should identify the sources of these new users, particularly if certain areas are prioritized for Facebook Lite. User Retention: A vital metric is the count of active users maintained over a defined timeframe, which can be measured on a weekly or monthly basis. User Engagement: This could include metrics such as average session duration, daily or monthly active users, and the frequency of user interactions like posting, reacting, and messaging. Given that Facebook Lite was designed for areas with unreliable internet access, another important metric to consider could be monitoring the reduction in app uninstalls, indicating that users are experiencing fewer issues related to high data usage or poor performance under challenging network conditions.