Success metrics for Facebook Mentorship may include: 1. Number of mentors and mentees: Tracking the number of active mentors and mentees is a good starting point for understanding the success of the mentorship program. This metric can help gauge the program's impact on the Facebook community. 2. Number of mentorship sessions completed: Measuring the number of mentorship sessions that have been completed can help determine the program's effectiveness in fostering meaningful connections between mentors and mentees. 3. Participant satisfaction: Surveying participants to understand their satisfaction with the program can provide valuable insights into how well the mentorship program is meeting their needs. 4. Time spent in mentorship sessions: Tracking the amount of time mentors and mentees spend in mentorship sessions can help evaluate the program's overall engagement and effectiveness. 5. Mentorship program retention rate: Measuring the percentage of participants who continue to participate in the mentorship program can help evaluate the program's long-term success and impact. Overall, a successful Facebook Mentorship program should help build strong connections between mentors and mentees, foster a sense of community, and provide meaningful learning experiences for participants. By tracking these metrics, the product team can continuously evaluate and improve the program to ensure that it is meeting the needs of its users.