Measure a community-level change you can't A/B
Measure impactHardProblem. Reddit rolled out a change at the community level (e.g., a new moderation tool or a policy) — not randomized. Leadership asks its impact on engagement and community health. How do you measure it?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.