Product design question
Which is your favourite email client and why?
Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.
Start a mock interview on this question · Mock interview from a job description
What this question tests
Tests genuine product opinion and comparative reasoning: can the candidate justify a preference with specific, credible product judgment.
How to approach it
- Pick a specific email client you genuinely use and know well enough to discuss in detail.
- Name one or two specific features that stand out, such as search speed, thread organization, or integration with other tools.
- Contrast briefly with a competing client to sharpen why this specific aspect matters to you.
- Acknowledge a genuine limitation of your chosen client, showing balanced judgment.
- Connect the answer to what it reveals about your product taste and priorities as a PM.
- Keep the answer concise and specific rather than a generic endorsement.
What a strong answer includes
- Names a specific, well reasoned feature, such as Gmail's search speed and reliable thread grouping, rather than vague praise.
- Grounds the preference in a real use case, like quickly finding an old email thread during a busy workday.
- Contrasts briefly with an alternative, such as Outlook's more rigid folder based organization, to sharpen the specific reason for the preference.
- Acknowledges a genuine limitation, like notification overload or clutter, showing balanced, credible product judgment.
Common mistakes
- Giving generic praise without naming a specific feature or grounded use case.
- Avoiding any critique at all, which undercuts credibility as genuine product judgment.
Likely follow-up questions
- What would you change about that email client if you were the PM?
- How does it compare specifically to another client you have used?
More product design questions
- Design a TV for a car.Google · Product design · Hard
- Design a refrigerator for the blind.Google · Product design · Hard
- How do you design a camera for the elderly?Google · Product design · Medium
- Redesign Twitter for eCommerce.Shopify · Product design · Hard
- How would you go about designing a new location sharing app for Google?Google · Product design · Medium
- How would you improve Google Home?Google · Product design · Easy
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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 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop