What Is The Second Brain?

What Is The Second Brain?
Photo by That's Her Business / Unsplash

The term "second brain" is often used to refer to a system or tool that helps individuals keep track of information, organize their thoughts, and plan their activities. The idea is that this "second brain" acts as an extension of an individual's own brain, helping them to better remember and process information, and make more efficient use of their time and energy.

A second brain can take many forms depending on the person's preferences and needs. Some examples include:

  • Digital tools such as Evernote, OneNote, and Notion, allow users to create and organize notes, lists, and documents.
  • Mind mapping software such as XMind and MindNode, can help users brainstorm and organize ideas visually.
  • Physical notebooks, journals, and planners, can be used to capture ideas, make notes, and plan tasks and activities.
  • Custom made systems which can be the combination of the above or something that an individual made by himself.

The key feature that unifies all those examples is the ability to provide a single place to capture and organize knowledge, ideas and tasks. This makes it easier to recall information, think more deeply, and make better decisions.

How To Build A Second Brain?

  • Identifying your needs: Before you can create a system to capture and organize information, it's important to understand what you need to keep track of. Think about the types of information you need to remember, the projects you're working on, and the goals you're trying to achieve.

  • Choosing a tool or system: Once you know what you need to keep track of, you can start to look at different tools and systems that might help you do that. There are many different options available, from digital tools like Evernote and OneNote, to physical notebooks and planners. You can choose one that best suits your needs and preferences.

  • Capturing information: This is the step where you start to gather information and store it in your second brain. This might include creating notes, lists, and documents, taking photos or screenshots, and recording audio or video. You could also set up a system for archiving and sorting that information.

  • Organizing information: Once you have information stored in your second brain, you'll need to organize it so you can find it easily later. You can use tagging, categorization, and folders to help you organize information.

  • Reflecting on the information: Reviewing and reflecting on the information you've captured is a crucial step in building your second brain. Take some time to go over the information, think about what it means, and how it connects to other things you know. This will help you create deeper understanding and make it easier to recall in the future.

  • Incorporate into your daily routine: To make the most of your second brain, it's important to incorporate it into your daily routine. Make a habit of regularly reviewing and updating the information you've captured, and use your second brain as a tool for planning and decision-making.

Why Use A Second Brain Technique?

  • Improve memory and recall: By creating a central place to capture and organize information, a second brain can help individuals better remember and recall important information. This can be especially helpful for people who struggle with short-term memory or who are working on complex projects that require them to keep track of many different pieces of information.

  • Increase productivity and efficiency: By having a system in place to capture and organize information, individuals can work more efficiently and make better use of their time. They'll be able to easily find the information they need, which will help them stay on track and be more productive.

  • Enhance creativity and problem-solving: Having a second brain can also help individuals think more deeply and creatively. They can use the tool to brainstorm ideas, explore connections between different pieces of information, and come up with new solutions to problems.

  • Improve focus and minimize distractions: Having a clear system to capture and organize thoughts and tasks can help individuals stay focused, prioritize their work and minimize distractions. This can be especially useful for people who find it hard to focus on one task for a long period of time.

  • Helps in achieving personal and professional goals: Having a second brain can help individuals set and track goals, plan their actions and measure progress. It can be an essential tool for achieving personal and professional goals.


I have been using this system for the last 2-3 years and it has helped me maintain my sanity while enabling me to handle multiple projects in a single day.

My choice of weapons are

Microsoft Todo for Capturing

Notion for Organizing my thoughts.  

As a developer, your focus should be on solving problems and not remembering Jargon Information.

You are not in school anymore, It's the real world you are allowed to cheat 😅

Happy Coding 😊