As we discussed in Topic 2, creating OER often involves remixing the OER created by others, and in order to do so legally and ethically, you have to know how the various Creative Commons licenses can and can't be combined.
Watch this video segment from Dr. Cable Green of the Creative Commons, called Finding, Using, Modifying and Creating OER: Copyright, Fair Use, and Creative Commons. It explains how you retain the copyright to your OER, but can choose licenses that permit and restrict kinds of sharing, reuse, and remixing. It also explains the advantages and disadvantages of different licenses, such as Non-Commercial.
Begin at minute 4:55 and watch to 10:15 (total of 5:20).