Emma Haruka Iwao

Emma Haruka Iwao

Developer Advocate




Emma is a developer advocate for Google Cloud Platform based in Seattle, focusing on platform products . She has been a C++ developer for more than 15 years and worked on embedded systems and the Chromium Project. Besides software engineering, she likes games, traveling, and eating delicious food.


Friction logging 101


Talk description トーク概要

One of the core functions of DevRel is to advocate for developers and make developer experience frictionless. We, DevRel at Google, use friction logs to create and provide structured feedback for products for different scenarios and help product teams deliver consistent experience across multiple products and features. In this talk, you will learn:

  • What a friction log is and why it is important
  • Working as a zeroth customer
  • How to write a friction log
  • Continuing conversations with product teams

The goal is to be able to confidently write cross-product, experience-focused feedback.


  • 摩擦ログとは何かとなぜそれが重要なのか  
  • ゼロ番目の顧客として働く 
  • 摩擦ログの書き方 
  • 製品チームとの継続的会話