reducing complexity through categorization works well only if certain criteria are met. First, in terms of the domain of knowledge to be organized, classification is dependent on a “small corpus, formal categories, stable and restricted entities, and clear edges.” Second, successful classification assumes “expert catalogers, an authoritative source of judgment,” as well as “coordinated” and “expert users.”8 One of our goals for this study is to make our findings publicly available in an online archive, accessible to the scholarship of teaching community and beyond. For such an environment, Shirky adds, reducing complexity through stable categories is a “bad strategy:”