Spaced repetition systems are a well-known way to efficiently learn material. Recent innovations have applied machine learning to greatly improve their scheduling.
it took me like two months but i got through the #FSRS4Anki#Anki backlog generated from rescheduling all my cards! (sorta, i backslid the past few days because i got fucking #covid). feeling really proud of myself. it was like 20,000+ cards and i studied an hour a day to get through it.