Why has the daily active user count for Amplitude's Cohorts feature dropped by 15% over the past week?

Introduction

The recent 15% drop in daily active users for Amplitude's Cohorts feature over the past week is a concerning trend that requires immediate attention and thorough analysis. To address this issue, I'll employ a systematic approach to identify, validate, and resolve the root cause while considering both short-term fixes and long-term strategic implications.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might be a recent product change. Has there been any update to the Cohorts feature or related functionalities in the past two weeks?

Why it matters: Recent changes often correlate with usage fluctuations. Expected answer: Yes, a minor UI update was released. Impact on approach: If confirmed, we'd focus on the update's impact on user experience.

• Considering user segments, I'm curious about the distribution of the drop. Is the 15% decrease uniform across all user types, or is it more pronounced in specific segments?

Why it matters: Helps identify if the issue is global or segment-specific. Expected answer: The drop is more significant among enterprise users. Impact on approach: We'd prioritize investigating enterprise-specific factors.

• Given the metric specificity, I'm wondering about the definition of "daily active user" for this feature. Has there been any recent change in how this metric is calculated or tracked?

Why it matters: Ensures we're working with consistent, accurate data. Expected answer: No changes in metric definition or tracking. Impact on approach: If changed, we'd need to reassess the validity of the 15% drop.

• Thinking about external factors, have there been any significant industry events or competitor actions that might influence Amplitude's usage in the past week?

Why it matters: External factors can sometimes explain internal metrics. Expected answer: No major industry shifts, but a competitor launched a similar feature. Impact on approach: We'd consider competitive pressure in our analysis.