Why has HBO's mobile app experienced a sudden 25% increase in crash rates and negative user reviews in the past week?

Introduction

HBO's mobile app has experienced a sudden 25% increase in crash rates and negative user reviews in the past week. This significant decline in app performance and user satisfaction requires immediate attention and a thorough root cause analysis. I'll approach this issue systematically, examining potential causes, gathering relevant data, and developing a comprehensive plan to address the problem.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this could be related to a recent app update. Has there been any significant update or change to the app in the past 1-2 weeks?

Why it matters: Recent changes often correlate with performance issues. Expected answer: Yes, there was an update. Impact on approach: If yes, we'd focus on the changes in that update.

• Considering user segments, I'm wondering if this issue is affecting all users equally. Are we seeing any patterns in terms of device types, operating systems, or user demographics experiencing more crashes?

Why it matters: Helps narrow down potential technical or user-specific causes. Expected answer: The issue is more prevalent on certain device types or OS versions. Impact on approach: We'd prioritize investigating those specific configurations.

• Given the sudden increase, I'm curious about any changes in content or streaming patterns. Has there been any major content release or change in viewing habits coinciding with this issue?

Why it matters: Content changes can impact app performance and user behavior. Expected answer: A popular new series was released recently. Impact on approach: We'd examine if the content is causing unexpected load or user behavior changes.

• Considering potential external factors, have there been any significant changes in network infrastructure or CDN providers that might be affecting app performance?

Why it matters: External technical changes can impact app stability. Expected answer: No major changes to infrastructure. Impact on approach: If no, we'd focus more on internal factors.