Share audience insights with partners without exposing anyone

Metric designHard

Problem. A sponsor wants to know how many of Step's users fall into each age band, country and interest category, to plan an integration. Many Step users are teenagers. Leadership wants to share useful numbers without exposing any individual. How would you design the numbers you share?

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.