Your question is Experimenting on Facebook Reels. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Facebook is adding Reels on the Newsfeed. How would you measure the effectiveness of this feature in an experiment?
Asked in the Technical Screen stage. Experiment Design section focusing on A/B testing and network effects. Reported follow-ups: How will you address the different user segments? What period will you use to define the metrics?