Summarize what you read. I started doing it by writing a tl;dr for each chapter and at end of the book a make a summary of the most important things. This is al

Summarize what you read. I started doing it by writing a tl;dr for each chapter and at end of the book a make a summary of the most important things. This is also handy to keep the summary digital to go back years after and have a quick read. Apps changes but my current setup is using onenote and make pictures of important passage and summarize the book in a file.