I had a simple problem: I consumed a lot of information, saved a lot of things, but rarely used any of it. Bookmarks, notes, screenshots — everything was somewhere, but not really actionable. I often researched the same things multiple times, and at some point I almost stopped taking notes altogether.
The concept that changed this for me is Building a Second Brain, developed by Tiago Forte. The idea is simple: an external system that doesn’t just store notes, but organizes knowledge so you can actually use it later.
Building a Second Brain by Tiago Forte
The core idea: organize for use, not for storage
Most note-taking systems are organized by topic or subject. You end up with folders like “Technology”, “Health”, “Work” — reasonable categories that slowly become graveyards. You file things there and never look again.
Second Brain flips that. Information is organized by where it’s actually useful, not where it conceptually belongs. The organizing framework is called PARA:
- Projects — things with a clear goal and a defined end. A presentation, a feature, a blog post.
- Areas — ongoing responsibilities without a finish line. Health, finances, a relationship, a team.
- Resources — topics you’re interested in and might reference later. Not actionable now, but worth keeping.
- Archive — everything that’s no longer active. Projects you finished, areas you stepped away from.
The structure looks like this in practice:
10 projects
20 areas
30 resources
40 archive
Why this works better
The shift is that you ask a different question when you file something. Not “what is this about?” but “where will I need this?” A note about sleep and recovery goes under a project if you’re currently working on an article about it, under an area if it’s relevant to your ongoing health tracking, or under resources if it’s just something you found interesting.
This means when you open a project folder, everything in it is actually relevant to what you’re working on right now. It’s a small change in logic that makes a big practical difference.
What it changed for me
Before, I avoided my notes because opening them meant confronting a mess. Now I use them regularly. Not because I’m more disciplined, but because the system is organized around what I’m doing rather than around categories that made sense when I created them.
It doesn’t solve everything. But it helped me find things again, connect ideas across different contexts, and actually use what I learn. It’s the first approach that turned my notes into something I actually come back to.