The popular history of spaced repetition is full of myths and falsehoods. This text is to tell you the true story. The problem with spaced repetition is that it became too popular for its own effective replication. Like a fast mutating virus it keeps jumping from application to application, and tells its own story while accumulating errors on the way.~ Piotr Wozniak from, https://www.supermemo.com/en/articles/history
If you’ve never heard of Super Memo, and you click over there, it’s likely to distract you for an hour. This article is both the origin story for Super Memo and for spaced repetition. I’ve read at least one other thing (I’ve not read this article in full, but I have read at least one other one), that is a comprehensive deep dive. Today, I’m sharing this in the hopes that you’ll glance over at it, skim around and realize that, since you will then be acquainted with Wozniak, I am not the most systems-crazy person you know of.