Choosing the right metrics is critical to enable effective product analytics and experimentation. Although clickthrough rate (CTR) is an important metric for online platforms, it may incentivize behavior that optimizes for clickbait instead of user engagement To address the limitations of CTR, Pinterest created the User Metric to represent multiple engagements (e.g. clicks, hides, saves) while mitigating position bias (by comparing average engagement rate on ads to that of the organic content in adjacent positions). The authors also discuss how the new User Metric is driving better product decision-making.