Bing's successful-session rate dropped 5% week-over-week

Diagnose a problemMedium

Problem. In one market, Bing's successful-session rate dropped 5% week-over-week, while query volume stayed flat. What happened, and what would you do?

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.