Strategy question
How would you increase the number of comments in Facebook groups?
- Meta
- Strategy
- Medium
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What this question tests
Tests a growth strategy for a specific engagement action within an existing feature, requiring hypotheses about friction and incentive rather than generic prompts.
How to approach it
- Clarify the goal: increase the rate of comments, not just views or reactions, within Facebook Groups specifically, as a richer engagement signal.
- Identify friction: many members lurk because commenting feels public and exposed within a group of strangers or acquaintances, unlike a close-friends feed post.
- Identify incentive gaps: commenters get little visible recognition or response in large groups, reducing motivation to contribute again.
- Propose lower-friction reply formats, like a one-tap templated response, and surface when a group admin or popular member replies, raising the perceived value of engaging.
- Propose a second lever: smarter prompts inviting specific members to answer a post based on topic expertise inferred from past activity, rather than generic comment nudges.
- Define success: comment rate per active group member, and comment-thread depth as a sign of real discussion, not just single drive-by comments.
What a strong answer includes
- Diagnoses two distinct root causes, social exposure friction and lack of response incentive, rather than one vague fix.
- Proposes a specific low-friction reply mechanism addressing the exposure barrier directly.
- Adds a targeted expertise-based prompt, a more sophisticated lever than a blanket comment-now notification.
- Defines success with thread depth, not just raw comment count, capturing genuine discussion quality.
Common mistakes
- Proposing only generic reminder notifications, ignoring the real social friction of commenting among semi-strangers.
- Measuring success by raw comment count alone, which could be inflated by low-value one-word replies.
Likely follow-up questions
- How would you avoid over-notifying members and increasing group-leave rate?
- How would this differ for a small tight-knit group versus a large public group?
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Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 9: Prove it paid off: outcomes, economics, and pricing
- Chapter 14: Get the job: the AI PM interview loop