For the first decade of the modern open education movement (1998 - 2007), the distinguishing feature of our work - the thing we cared most about and talked most about - was the open licensing we applied to educational materials. MIT OCW, CMU OLI, Rice’s Connexions, my group at USU, and others applied the new Creative Commons licenses to their materials to create open content. UNESCO later decided to refer to open content intended to support research, teaching, and learning as “open educational resources.” There were two kinds of educational materials in the world. They were relatively easy to tell apart from one another and advocacy was rather straight forward.As the movement grew and more people began advocating for the adoption of OER in place of traditionally copyrighted materials in classes, some advocates chose to make cost the primary focus of their advocacy. This choice rotated licensing into a secondary priority. Now with two criteria to attend to (cost and licensing), there were twice as many types of materials to think about, advocate for, and advocate against. In its simplest form, the four types of materials can be characterized as follows:
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