Product design question
Design a video chat app for families to stay in touch.
- Amazon
- Product design
- Easy
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What this question tests
Product design for an easy, well trodden use case, testing whether the candidate can still find a differentiated, specific angle.
How to approach it
- Identify the user: extended families, often spanning tech-comfortable younger members and less tech-savvy older relatives, wanting to stay in touch.
- Name the pain point: existing video chat apps require the least tech-savvy family member (often an elderly grandparent) to successfully initiate or answer a call, which is a common failure point.
- Design around that constraint: default to auto-answer or one-tap answer for trusted family contacts, minimizing steps for the least tech-savvy user.
- Add a differentiator: scheduled or recurring family video calls (like a standing Sunday dinner call) that both sides can join with minimal setup each time.
- Prioritize the simplified answering flow first, since call failure due to a confused elderly user is the most common real world breakdown point.
- Define success as call completion rate (started calls that connect successfully) and repeat usage among older family members specifically.
What a strong answer includes
- Identifies the actual, specific failure mode in this well known category, elderly users struggling to answer calls, rather than a generic feature list.
- Proposes a concrete UX mechanism, one-tap or auto-answer for trusted contacts, directly targeting that failure mode.
- Segments success by the harder user group, older family members, rather than reporting an aggregate metric that hides their struggle.
Common mistakes
- Treating this as a solved problem and proposing only cosmetic differentiation like filters or backgrounds.
- Ignoring the specific tech comfort gap between generations within one family, which is the real design challenge.
Likely follow-up questions
- How would you test this with actual elderly users before launch?
- How would you handle a family member who has no smartphone at all?
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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