I'm in a similar position of never having found a use where memorising lots of facts would be useful. The main use I keep seeing is vocabulary building when learning a language. I'm sure people are using the system for learning other stuff too though?
Seeing this did make me wonder how I might be able to get better at memorising important parts of iso/iec standards at work, but I can't see how that maps to flashcards
Seeing this did make me wonder how I might be able to get better at memorising important parts of iso/iec standards at work, but I can't see how that maps to flashcards