If anyone had thought to recognize a K-12 educational buzzword of the year for 2012, it would surely have been "open educational resources" (OER). Ed tech media has fairly hummed with the topic, largely with exciting predictions: OER would give cash-strapped K-12 educators access to high-quality tools and content for their classrooms at little or no cost. Now, as the implementation dates for the Common Core State Standards (CCSS) loom, districts are facing the need to buy new instructional materials aligned with the standards, and OER is a hotter topic than ever. The inventory of these open resources is exploding, and advocates such as the OER Commons and Achieve are providing districts and teachers with tools for determining the degree of standards alignment of these materials. All of which raises the question: Why hasn't every K-12 district in the country jumped on the OER bandwagon?