Architect PARK JUN WOO
Opinion
Why societies clash — and how we might fight less.
Fluency Is Not Truth
People don't miss confident, fluent AI errors because they're careless. Not noticing is the population default — measured in AI-trained physicians and in experienced developers who stayed convinced they were faster even after the data said otherwise.
Tech
Technology ideas for solving real problems.
Installing and Using MarkItDown — Why Image-Only PDFs Fail, and How to Bolt On OCR
The reason to use MarkItDown comes down to the agent-operable condition — Microsoft's own conversion of its own formats is structurally trustworthy. Installation, usage, and how to bolt on OCR at the exact point that trust breaks: image-only PDFs.
Lecture
Vibe coding scaleup. How non-coders command AI agents.
Class 11. How to Rescue a Broken Vibe-Coded App
Your vibe-coded app just broke. You don't need to rebuild it. Diagnose it, lock it down, and step out one move at a time.