Column
Rebuilding Kakaku.com's 30-Year-Old Code With 71 AI Agents
AIJapanese CompaniesDevelopment
Kakaku.com is rebuilding its 30-year-old, 9.6M-line system with 71 AI agents on Python and FastAPI. I agree with the stack, but ask why the tied candidates lost, and the cost of over-trusting AI.
2026.06.105 views
Column
The Day Google Summons Back the "Obscure Personal Blog": Beyond AI Article Fatigue
FreelanceDevelopment
The "obscure personal blogs" that Google's Helpful Content Update killed in 2023 are being summoned back by the March and May 2026 Core Updates. A field report on E-E-A-T's "Experience" axis, AI-article fatigue, and the strange world of a blog where Bing slightly outranks Google.
2026.05.2611 views
Column
Returning to Waterfall in the Age of AI
AIDevelopment
In an era of vibe coding, one developer returned to waterfall at a startup. Plan Mode's true identity was a design process completed decades ago. A case for 'hammer your design.'
2026.04.1111 views
Column
Your Content Has Already Been Scraped. The AI Blind Spot Exposed by Cookpad's Backlash
Chefs raged at Cookpad for scraping recipes. But AI companies have been doing the same at far greater scale. A technical investigation reveals the blind spot of the AI era.
2026.03.2917 views
