Great post on the strengths and weaknesses of SRS

SRS – spaced repetition systems are a really popular learning tool for increasing your memory retention and recall. Many of our students really like the results it produces whether they are using Skritter, Pleco or Anki.

This post by Olle Linge of Hacking Chinese is a great post for understanding how to make the most of SRS, and how not to use it.