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Best DAU Question

Let's say that you work at TikTok. The goal for the company next quarter is to increase the daily active users metric (DAU).

• Executive A believes the best way to increase DAU is to improve the recommendation algorithm in TikTok's "For You" feature (TikTok news feed).
• Executive B believes the best way to increase DAU is to acquire more new users.
• Executive C believes the best way to increase DAU is to improve the creator tools.

The engineering team must prioritize one feature at a time.

1. How do you figure out which executive is right?

2. What data points and metrics would help validate your choice?

Tricky TikTok Data Science Case Study Interview Question - Best DAU

Background research --revenue stream for tiktok: advertising , in-fed ads, branded hashtags, challenges, branded effects, tiktok shop, virtual gifts and coins, tiktok business --revenue, cost, latency, time

Goal

The goal for the company next quarter is to increase the daily active users metric (DAU).

• How is active defined?
  • Minimum of 1 hour.

Question 1

How do you figure out which executive is right?

• Revenue, cost, and time of effort.(guardrail metrics revenue)
• Historical data to see which executive is right. DAU
• time of effort(engineer team)