Too Long; Didn't Read
One of the open problems in the procedural generation of fiction is how to maintain reader interest at scale. Fiction generation is very good at producing short-form work that makes sense and is evocative, but when existing techniques for it are scaled up, works start to seem repetitive (showing the limits of their templates or corpora), meandering (showing failure to adhere to a large-scale pattern the way that they adhere to small-scale patterns), or overly inaccessible (because the generator, unable to determine how much information is ideal, has erred on the side of being too dense — becoming boring from inaccessibility rather than from repetition).