Metrics question

How would you measure the success of YouTube TV?

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

Metrics structuring for a subscription streaming product, distinguishing acquisition, engagement, and retention.

Clarify the business model: YouTube TV is a live TV subscription bundle, so success spans acquisition, engagement, and retention.
Define the north star: paid subscriber count and net subscriber growth after churn.
Add engagement metrics: average daily watch time and percentage of subscribers using DVR or multi view features weekly.
Add retention metrics: monthly churn rate and reasons for cancellation from exit surveys.
Add a guardrail: content cost per subscriber, since carriage fees for live channels are a major cost driver.
Set an illustrative target, for example reducing monthly churn from 5 percent to 3.5 percent within a year.

Builds a full metric tree, acquisition, engagement, retention, and cost guardrail, instead of one flat metric.
Names YouTube TV specific features, DVR and multi view, as engagement signals rather than generic watch time.
Gives an illustrative churn target, grounding the answer in a realistic number for subscription TV.
Flags content cost per subscriber as the guardrail that prevents chasing growth unprofitably.

Giving only an engagement metric without addressing churn, which is the core risk for subscription TV.
Ignoring content licensing cost, a major and specific driver of YouTube TV's unit economics.

How would you separate voluntary churn from involuntary churn like failed payments?
How would you weigh content cost against subscriber growth when negotiating carriage deals?