As an example, if you're learning a langauge and studying vocab, you could discard any cards that have over 90 days interval. After all, you're going to meet th

As an example, if you're learning a langauge and studying vocab, you could discard any cards that have over 90 days interval. After all, you're going to meet that word while reading a book or watching something in the target language in the next 90 days, and if not - you shouldn't have memorized that word anyway.