Product design question

Design a product to improve group communication on WhatsApp.

Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.

What this question tests

Product improvement for a core communication feature, identifying friction in group coordination at scale.

Identify the core friction point in large groups, such as important messages getting buried in high volume chat activity.
Prioritize a targeted improvement, like threaded replies or pinned message highlights for key updates in busy groups.
Explain the mechanism, allowing users to reply to a specific message and view that sub thread without scrolling through everything.
Address adoption, ensuring the feature is discoverable but does not add complexity for smaller, simple groups.
Define a success metric, such as reduced missed message complaints or increased engagement in large groups specifically.

Names a specific, common large group pain point, buried important messages, rather than a vague better group chat answer.
Proposes a targeted mechanism, threaded replies, that directly solves the identified problem.
Considers the trade off of adding complexity for small groups, showing awareness that not all users need this.

Proposing a feature that adds complexity to every group chat regardless of size or need.
Ignoring how this feature should be scoped or optional to avoid overwhelming casual users.

How would you make this feature discoverable without cluttering small group chats?
How would you measure whether this actually reduces missed messages?