A social feature spikes then fades — real or novelty?

Novelty & durationMedium

Problem. A new social feature (say, a co-play reaction or a new way to connect) lifts engagement +9% in week one. The team wants to ship. How do you tell whether it's durable?

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.

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