◆ Writing

Ideas worth keeping

Thoughts on knowledge, AI, and building tools that respect how humans think.

What Is an AI Second Brain? From Saved Information to Useful Work

Learn what an AI second brain is, how it works, and how Ancher helps turn saved information into useful, structured work.

Product notes, thinking on knowledge work, and what we are learning as we build.

Most note-taking apps solve the wrong problem. They help you capture more. We wanted to help you use what you already have.

Information isn't the bottleneck. Retrieval is. Why the tools we use to think are failing us — and what we're doing about it.

There's a difference between AI that replaces thinking and AI that amplifies it. We're firmly in the second camp.

Everyone wants a second brain. But what we actually need is a better first one. On why externalizing knowledge is only half the battle.

The best note-taking systems don't just store ideas — they generate new ones. A look at how compounding knowledge actually works.

What happens when AI can remember everything you've ever read? On the promise and limits of machine-assisted memory.