Yes, they really try hard to make it as obscure as possible. Here is my take. Imagine you publish an article on some complex subject matter - the kind that requ

Yes, they really try hard to make it as obscure as possible. Here is my take. Imagine you publish an article on some complex subject matter - the kind that requires a pause and reflection after each sentence. Imagine that after a paragraph or two there is a widget where you can test your understanding of the above paragraph. It seems useful to me, but of course it depends on the actual implementation.