As part of their “Key Concepts of Online Learning” series, Contact North explores Open Educational Resources (OER) which are “teaching, learning, and research resources that reside in the public domain or have been released under an intellectual property licence that permits their free use or re-purposing by others.” OER may include “full courses, course materials, modules, textbooks, streaming videos, tests, software, and any other tools, materials or techniques used to support access to knowledge.”