Unlocking an Underused Product: Three New Features and How to Measure Them

Quick Overview

A product sense interview question that asks the candidate to pick a product with unrealized potential, propose three new features for it and explain how each feature's effect would be measured. It tests product judgment, user focus, prioritization, and metric and experiment design.

Unlocking an Underused Product: Three New Features and How to Measure Them

Company: Google

Role: Product Manager

Category: Product Design & Strategy

Difficulty: medium

Interview Round: Other

Pick a product that you believe has a lot of untapped potential. Explain why, propose three new features that would help it reach that potential, and describe how you would evaluate whether each feature is effective. ```hint One gap, three features Choose a product where you can name a specific gap between what it could do and what its users get today. Let all three features attack that gap, and give each one an outcome you could actually measure. ``` ### Clarifying Questions - Can I choose any product, physical or digital, or should it be a Google product? - Should I answer as the PM inside the company that owns the product, with access to its data and users, or as an outsider proposing ideas? - Is there a time frame or team size for building the three features, such as one year with one team? ### What a Strong Answer Covers - A product choice backed by a concrete argument for why its potential is untapped today - A target user segment and the pain points the features address - Three distinct, concrete features, prioritized against each other with reasons - For each feature, a primary metric, a guardrail and a method that isolates its effect, such as a randomized rollout - Risks and trade-offs specific to the chosen product ### Follow-up Questions - If you could build only one of the three features, which would it be and why? - Suppose a feature drives strong engagement but the outcome it promised does not move. What do you conclude, and what do you do next? - Who inside or outside the company might resist these features, and how would you handle it?

Overview: A product sense interview question that asks the candidate to pick a product with unrealized potential, propose three new features for it and explain how each feature's effect would be measured. It tests product judgment, user focus, prioritization, and metric and experiment design.

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Google
Jul 5, 2025
mediumProduct ManagerOtherProduct Design & Strategy
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Pick a product that you believe has a lot of untapped potential. Explain why, propose three new features that would help it reach that potential, and describe how you would evaluate whether each feature is effective.

Clarifying Questions Guidance

  • Can I choose any product, physical or digital, or should it be a Google product?
  • Should I answer as the PM inside the company that owns the product, with access to its data and users, or as an outsider proposing ideas?
  • Is there a time frame or team size for building the three features, such as one year with one team?

What a Strong Answer Covers Guidance

  • A product choice backed by a concrete argument for why its potential is untapped today
  • A target user segment and the pain points the features address
  • Three distinct, concrete features, prioritized against each other with reasons
  • For each feature, a primary metric, a guardrail and a method that isolates its effect, such as a randomized rollout
  • Risks and trade-offs specific to the chosen product

Follow-up Questions Guidance

  • If you could build only one of the three features, which would it be and why?
  • Suppose a feature drives strong engagement but the outcome it promised does not move. What do you conclude, and what do you do next?
  • Who inside or outside the company might resist these features, and how would you handle it?