I came across this video talking about “summary-on-margin” way of reading books to retain information:
[https://www.youtube.com/watch?v=uiNB-6SuqVA](https://www.youtube.com/watch?v=uiNB-6SuqVA)
Looks pretty interesting, just wonder if anyone uses this approach, and what other tips you are using to memorize key info of non-fiction books?
by Illustrious-Pay-7516