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It has been a while since I bought a fixed-gear bicycle

Posted at 2025-03-23 # Personal History and Life

Since my children are getting older and there will be less reason to use a child-carrying bicycle, I bought a fixed-gear bicycle. This is a record of what I bought and how I customized it.

Thinking about the relationship between AI and humans through AI correction quality checks

Posted at 2024-12-07 # Education # AI and the Internet

We are introducing AI-based writing correction into a product under development. Through quality checks comparing AI and humans directly, I recognized both AI's limits and human strengths.

The Art of Repairing the World

Posted at 2024-10-27 # AI and the Internet # Personal History and Life

This article is inspired by the Kaigi on Rails 2024 closing keynote on wholeness, repairing, and having fun, but it develops a different argument through Christopher Alexander, Gilles Clément, Hiroki Azuma, the Ethereum Foundation, and Robert Pirsig.

What I think about when developing AI products or introducing AI into existing products

Posted at 2024-08-03 # AI and the Internet # Product

With the rapid development of AI, many companies are considering AI-based product development or AI integration. This article summarizes strategies and cautions from a product management perspective.

I attended RubyKaigi 2024

Posted at 2024-05-19 # RubyKaigi # Personal History and Life

RubyKaigi 2024 was held at Naha Cultural Arts Theater NAHArt in Naha, Okinawa. I attended with my wife and two children.

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