The essays in this edited collection reflect on the nature of open education resources, where the question on openness for education emerges. What is remarkable today are the ways that teachers and institutions now begin to form part of the processes of global exchange and production of a network of global educational commons. The question about the significance of this development, their limits and the consequences for practitioners and institutions from the perspective of teachers is extremely complex. For example, the policy agenda of institutions, states, and international organizations...