Good point, thank you! I was also thinking of bundling some advanced examples (with in-depth, step-by-step explanations) in a video course. Do you think this mi

Good point, thank you! I was also thinking of bundling some advanced examples (with in-depth, step-by-step explanations) in a video course. Do you think this might sell? NOTE: I did my best to prepare a decent documentation website for the users, so I am not planning to hide anything from them. But this idea of creating advanced problem-specific applications doesn't sound bad.