Product design question

Mark has asked you to build a new app for wine shopping in a grocery store. What do you do?

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 design for a niche retail vertical, requiring identification of the specific friction in buying wine within a grocery context.

Clarify scope: a standalone app or a feature within an existing grocery app or delivery service.
Segment users: wine novices unsure what to pick, and regular buyers wanting to quickly re-find favorites, since needs differ.
Identify the pain point: wine aisles are overwhelming and labels don't help buyers match wine to a meal or occasion, especially for novices.
Prioritize the novice segment, since they are more likely to abandon or under-buy without guidance, the larger untapped opportunity.
Design the solution: a simple in-app guide asking what you're pairing (meal, occasion, budget) and recommending 2-3 in-stock options with shelf location.
Define success: conversion rate from wine section browse to add-to-cart and average basket value on wine purchases.

Grounds the design in a real, specific pain point, label overwhelm and pairing uncertainty, rather than a generic wine app.
Picks the novice segment deliberately, explaining why it is the larger opportunity for incremental sales.
Proposes a lightweight recommendation flow rather than a heavy quiz, respecting a quick grocery trip context.
Uses basket value lift as the success metric, tying to the actual business goal of a grocery retailer.

Designing a generic wine-rating app disconnected from the grocery store context.
Ignoring in-store versus online shopping differences.
Not defining a measurable business outcome.

How would you handle recommending wine in stores with limited inventory data?
How would you deal with alcohol-related regulatory constraints like age verification?
How would you measure whether recommendations drive better choices, not just any purchase?