The Procedural Learning System

It's been 10 years since super memo was created. What do you think were the most successful experimentation with this procedural learning system? Yeah, it's interesting that, like, well, I guess in the long term, because now it's been 10 year or so. And my life is totally different to the back of it. So again, like declarative learning, there's just things that are still part of my life and there's things that aren't anymore.