Primer
How Large Language Models Work
From tokens, embeddings, and Transformers to training, RAG, tool calling, and end-to-end product flows.
20 chapters · 5 interactive demos
May 2026
Field Note
The Model Is the Project: What We Learned Building an AI-Native Financial Due Diligence
Notes from buy-side work: what worked, what didn't, and what we would try next.
Han / Yijie · August 2026 · ~1,800 words
Read noteStart here
The pillar worksResearch
AI Capital Landscape · The Last 18 Months
A scrollytelling landscape of global AI venture capital, mapped by concentration, geography, capital structure, and founder pedigree.
666 deals · 403 companies · 759 founders
April 2026
Research
AI Business Opportunity Report
A 2026 opportunity map built from 16+ platforms and 600+ user pain points, with 50 primary research files.
600+ pain points · 30 opportunities · 50 files
May 2026
All notes
Newest firstIndependent notes on technology & markets, written by Yijie Ma.