Data Interview Question

TikTok's Daily Active Users

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Requirements Clarification & Assessment

  1. Define DAU:

    • Understand the precise definition of "Daily Active Users". Is it users who log in, those who engage with content, or those who spend a specific amount of time on the app?
    • Clarify if DAU includes both content creators and consumers.

  2. Identify Constraints:

    • Determine any budget or resource constraints. This includes understanding the engineering team's capacity and the financial budget for implementing changes.
    • Assess if there are specific timelines for achieving the DAU increase.

  3. Establish Goals:

    • Confirm if the primary goal is solely to increase DAU or if there are secondary objectives like increasing user retention or engagement.
    • Determine if the focus is on certain user segments (e.g., new users, existing users, creators).

  4. Current State Analysis:

    • Analyze current DAU trends and identify segments contributing most to DAU.
    • Examine the current churn rates and user acquisition rates to identify potential issues.

  5. Historical Data Availability:

    • Determine the availability of historical data related to recommendation algorithms, user acquisition campaigns, and creator tool enhancements.
    • Identify any previous A/B tests conducted for similar initiatives.