At Facebook, you notice a sudden spark in DAUs in Indonesia — how would you determine the cause of this?

Introduction

A sudden spark in Daily Active Users (DAUs) in Indonesia for Facebook requires a thorough investigation to determine its root cause. This analysis will follow a structured approach to identify, validate, and address the underlying factors contributing to this unexpected increase in user engagement.

I'll systematically examine potential causes, from technical issues to user behavior changes, while considering both internal and external factors that could influence DAU metrics in the Indonesian market.

Step 1

Clarifying Questions (3 minutes)

• What's the exact timeframe for this DAU increase?

• Can you provide specific DAU numbers before and after the spike?

• Are there any particular user segments (age, device type, etc.) showing more significant changes?

• Have we recently launched any new features or campaigns in Indonesia?

• Are there any known technical issues or changes in our measurement systems?

• Has there been any significant local event or change in the Indonesian market recently?

Why these questions matter: Understanding the context and specifics of the DAU increase is crucial for accurate analysis. The timeframe helps identify potential correlations with external events or internal changes. Segment-specific data can reveal targeted impacts, while information about recent launches or technical changes can point to internal factors.

Hypothetical answers and their impact:

• Timeframe: "The spike occurred over the last 48 hours." Impact: This suggests a sudden, recent change, possibly due to a specific event or technical issue.

• DAU numbers: "DAU increased from 50 million to 55 million." Impact: A 10% increase is significant and requires immediate attention.

• User segments: "The increase is most prominent among users aged 18-24 on Android devices." Impact: This narrows our focus to specific user groups and platforms for investigation.

• Recent launches: "We rolled out a new video feature last week." Impact: This could be a potential cause if the feature gained traction quickly.

• Technical issues: "No known measurement system changes." Impact: This rules out data collection errors as a primary cause.

• Local events: "A popular influencer campaign started two days ago." Impact: This external factor could be a significant contributor to the DAU increase.