I walked Mt. Daibosatsu with my family, carrying Gozo Yoshimasu's What Is Poetry? On taking on a subject that does not belong to me, and exchanging words that logic cannot settle.

I used LLM agents to experiment with Bloom's 2-sigma problem and tried testing some of my earlier hypotheses about active learning.

I am still not sure whether the age of AI agents will really arrive, but if it does, I want to summarize what we need to consider about learning spaces.

A record of what I felt at RubyKaigi 2026: changes in Ruby, reunions with people, and walking around Hakodate with my family.

Social media is broken. X and YouTube in particular are built around algorithms that maximize attention, often prioritizing extreme or biased information over facts and making misinformation and conspiracy theories easier to spread.