PKM
Tiago Forte's Building a Second Brain (2022) sold hundreds of thousands of copies and spawned a cottage industry of courses, templates, and YouTube walkthroughs. The promise was appealing: your life contains too much information for one biological brain to retain, but a structured digital system — a "second
PKM
I have used Notion since 2019, Roam Research from 2020 to 2023, and Obsidian from 2022 through today. At one point, for about eight months, I was paying for all three and actively using all three. This was, with hindsight, a mistake. Each of these tools is genuinely good. None
Note Taking
Niklas Luhmann was a German sociologist who between 1951 and his death in 1998 published 70 books and around 400 academic papers. He is, by any reasonable measure, one of the most prolific social theorists of the twentieth century. When asked how he did it, he never attributed the output