This is where the "Spaced Repetition"[0] system for learning was born. It's been discussed several times on HN[1][2], and one of the most useful comments I've

This is where the "Spaced Repetition"[0] system for learning was born. It's been discussed several times on HN[1][2], and one of the most useful comments I've ever read here occurred in one of those threads[3]. [0] https://en.wikipedia.org/wiki/Spaced_repetition https://en.wikipedia.org/wiki/Spaced_repetition [1] https://news.ycombinator.com/item?id=170542 https://news.ycombinator.com/item?id=170542 [2] https://news.ycombinator.com/item?id=818157 https://news.ycombinator.com/item?id=818157 [3] https://news.ycombinator.com/item?id=818367 https://news.ycombinator.com/item?id=818367