Personal Knowledge Management (PKM) is the way we collect, organize, and use the information we learn in everyday life.

The objective of PKM is simple: to help us remember things better, make new connections, and come up with creative ideas.

There are many ways to practice PKM, but all approaches start small and simple. Some people use paper notebooks. Others use mind maps, note cards, or special systems like Zettelkästen, which focuses on connecting ideas to each other.

Top-Down vs. Bottom-Up: How PKM Works

PKM is a bottom-up approach to knowledge management. [@pollard2008pkm]

  • Top-Down Approach: You start with a big, clear structure. You decide the categories first, then fit your information into those boxes. School textbooks and company folders are examples of this.
  • Bottom-Up Approach: You start by collecting small pieces of information first. You let patterns and categories emerge naturally as you gather more. Zettelkästen notes and digital gardens are examples of this.

In PKM, you don’t need to plan everything from the beginning. You simply capture what interests you and make connections over time. Your knowledge system grows and shapes itself based on your thinking.

That’s why PKM works well for lifelong learners, people who are always learning and always changing.

My PKM System

I personally use Obsidian. At first, it’s just a simple note app. But what makes it special is that you can add many useful plugins to make it work exactly the way you want. I like how flexible it is.

PKM is not just about storing information. It’s about building a system that helps you think, learn, and grow over time.

If you build it well, your PKM becomes more than a storage space, it becomes a personal thinking tool.