Storytest Driven Development

Started off promising, but didn't really deliver. Who writes these story tests? I don't think a customer alone will go though the effort of formalizing the requirements using FitLibrary, but the developer shouldn't be writing them alone, either, because he shouldn't be deciding the requirements of the system. Became harder to follow as it progressed (lots of flipping between figures and paragraphs of text). Also, where are the results? The idea of story tests is presented well enough ,but its not novel, and there is not indication in this paper of who actually uses this approach. Maybe I'm being too picky or it is too late at night. Maybe read this one again later.