Sections
One site, five sections, five different reasons to read. Everything is published in the open; the newsletter carries the main line only.
- AI and engineering main line 9 posts
Evaluations, task books and pipelines — plus the numbers worth keeping, from model prices to page weight.
- Supply chain 4 posts
What things cost to make and move: factory quotes, sourcing, freight rates, month by month.
- Life in China 5 posts
Everyday life here, sorted into what has been measured and what is only habit.
- Data and the world 3 posts
Open datasets, charted — global flows, and what they look like up close in one place.
- 海外华人 3 posts · 中文
中文栏目：生活成本、跨境比价、出入境流程，按年更新。