My PM Interview® - Preparation for Success

My PM Interview® - Preparation for Success

Strategies to help Reddit users Discover Relevant Communities

Product Strategy: What strategies would you as a Product Manager implement, to help new Reddit users discover relevant communities quickly?

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My PM Interview
Jan 25, 2026
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Reddit is a collection of thousands of interest-based communities where people share posts, discuss topics, and build group identity; the product challenge is getting new users into the right communities fast so they feel at home and keep coming back.

  • New users who quickly find relevant communities are far more likely to engage, subscribe, and return.

  • The discovery experience must balance relevance, trust, and low friction so people feel comfortable joining and participating.


Clarifying questions

Ask clarifying questions to narrow scope, choose trade-offs, and size experiments,

  • Are we optimizing for mobile app, web, or both? Mobile behavior often needs even faster signals.

  • Do we need to support many languages and regions from day one, or focus on a few key markets?

  • Do recommendations need to align with current ad/product placements or can we change default surfaces?

  • How much onboarding friction is acceptable? Quick quiz vs. longer profile capture.

  • What is the timeline for results? short-term activation (30 days) or long-term retention (6–12 months)

  • Any business targets or guardrails to meet?


Goals and Success Metrics

Primary Goals:

  • Faster first meaningful connection: Decrease median time to first subreddit subscription.

    • Metrics:

      • Median time to first subscribe

      • % of new users subscribing within 24 hours.

  • Higher short-term retention: Get more new users to return in the first week.

    • Metrics:

      • Day-7 retention for cohorts of new signups.

  • Increase early engagement: Encourage actions that show users are participating, not just consuming.

    • Metrics:

      • % of new users who create a post/comment in their first 30 days;

      • Average session time for new users.


Target users

Core Personas:

  • Explorer: Casual browser who wants quick entertainment or trending topics.

    • Behavior: Low intent, short sessions, responds to topical/curated content.

    • What they need: Fast, low-friction previews and a small set of high-signal communities to follow.

  • Hobbyist: Someone with a clear interest (gardening, gaming, running).

    • Behavior: Willing to spend time finding high-quality niche communities.

    • What they need: Curated starter packs, clear community descriptions, examples of typical posts.

  • Specialist / Professional: Deep expert looking for high-signal, high-quality discussion (e.g., data scientists).

    • Behavior: Trusts reputation signals, values moderation quality and technical depth.

    • What they need: Quality badges, moderator responsiveness info, links to canonical resources.


Core Pain Points:

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