That's a cool extension, I didn't know about it.

I built an entire app around the idea that every note participate sin the spaced repetition queue. For me it has made a lot of difference, as I have managed to internalize (as in put into a practice) a lot of the stuff that I put into my "second brain", for example insights from books I have read, videos I watched or blog posts, etc:

https://github.com/msipos/mind-palace