For the past 10 years, I've documented everything I've learned on any topics, most often non-technical ones. Whenever I revisit a topic, I refine and update my

For the past 10 years, I've documented everything I've learned on any topics, most often non-technical ones. Whenever I revisit a topic, I refine and update my knowledge base. I use a private github repo with textual files. This has helped to increase my knowledge tremendously.