I like that use case. I'm often bored by technical books where I know some of the material but don't have the patience to find the new material. Ebooks/articles

I like that use case. I'm often bored by technical books where I know some of the material but don't have the patience to find the new material. Ebooks/articles that adapt to the reader's existing knowledge would be interesting. Either via a quiz up front or marking sections you already know as you go. Basically a form of adaptive learning https://en.wikipedia.org/wiki/Adaptive_learning https://en.wikipedia.org/wiki/Adaptive_learning