This is a Guest Lecture delivered to PhD Scholars at the Allama Iqbal Open University (AIOU), Pakistan on 7th October 2015. The presentation explores the current global trends in Open Educational Resources (OER). The specific topics covered include a brief introduction to OER; defining the “O” in OER; how licensing works with the new Creative Commons 4.0 International licensing scheme; defining the usefulness of an OER for a particular teaching and learning purpose through the “Desirability” framework; and identifying the objectives of large scale OER projects through the “Focus Triangle”.