> Do you have a simple system to keep track of the notes you take?
Not a good one. I used to just use org modes' capture templates, but it wouldn't be organized, and it became a write only system. I recently switched to org-roam. Still, it takes work to organize so I don't really take many notes.
To be clear, when I said I take notes while reading, over 90% are "transient" notes - just something relevant for that reading and not intended for long term storage. So they're lost once I discard the article.
I was going to recommend the Zettelkasten method then realised you asked for something simple. But for others who are curious or don't mind a more involved system then I would recommend it. Works digitally as well.
I ask because I also started taking notes, primarily because I want to write about some of the things I come across. I write an investment newsletter (https://playingfordoubles.substack.com)
I probably need to get myself some type of filing cabinet to keep track of articles I'd like to revisit in the future.