I wonder why the author didn't write an application to do that. He mentions that he is a programmer.
From experience I can speak that pen and paper are better for learning, but his system looks very exhausting. And there is a downside that his map of thoughts will not be encrypted.
From experience I can speak that pen and paper are better for learning, but his system looks very exhausting. And there is a downside that his map of thoughts will not be encrypted.