Second Brain in Markdown (1): Why Obsidian and Plain Files
Why my second brain is Obsidian and Markdown files: leaving Notion, the database memory that stalled at work, and the first requirement I set after.
Read articleIDEAs · PRODUCTS · OPPORTUNITIES
Where ideas become products,
and products become new opportunities.
I share how I build better with AI, ship for real, and grow products for the long run.
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The More I Work With AI, the Stranger My Focus Problem Gets
Working with AI all day, my focus drops, then an interesting conversation snaps it back. It wasn't fatigue. A 30-second check to run before you rest.
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The AI PM numbers that circulate wobble on contact. Re-measured from posted salaries: build-side vs sell-side, the Australian bands, what each asks you to show.
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. List prices match Preview, and Tencent Cloud TokenHub cuts them in half through December 31, which puts input at about US$0.90 per million tokens and output…
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Guides you can use today
Written the way I actually work — read it, then put it to use.
View all Guides & ToolsObsidian Git Sync on iPhone Works Better Than You'd Expect
Sync an Obsidian vault on an iPhone with the Git plugin alone: token setup, cloning, auto-pull. Plus why GitHub's 'Never used' token label can't be …
Read the guideCodex PR Review: Automatic Reviews, Triggers, Review Rules
How to turn on Codex code review for a GitHub repo: automatic reviews, @codex trigger commands, and pinning review standards into AGENTS.md.
Read the guideManaging ChatGPT Memory: Review, Edit, Delete
How ChatGPT memory works now: reading and correcting the memory summary, project-only memory, and temporary chats.
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