This question aims to assess your capability to evaluate the effectiveness of product enhancements and your grasp of key performance indicators (KPIs). It is crucial to show that you know how to monitor and assess the performance of improvements in a referral system and how these evaluations connect with the business goals of a company like Uber. To answer this question thoroughly, you should consider: The specific metrics you would monitor: This may include the number of successful referrals, conversion rates, or customer retention rates, among others. The significance of these metrics: Explain the relationship between these metrics and Uber’s overall business performance. The methods you would use to measure these metrics: Describe the tools or techniques you would employ, such as performance analytics tools, A/B testing, user surveys, and so on.