It seems like it can tick many of the boxes for effective long term learning if used properly (including not just surface learning but also deep conceptual understanding). However, my impression is that there is a learning curve and a cost associated to using it consistently, which leads to it not being used as much. Idk. What’s your experience?
It's handy for things like learning languages or remembering medical terminology. And if you can couple it with mnemonics, it can be more effective than simply reading.
Ive just never really had a need for stuff like that. Once i see something i remember it typically without needing to try.