The document is a guest lecture on Open Educational Resources (OER) delivered by Ishan Abeywardena at Allama Iqbal Open University, discussing their definition, significance, and types such as MOOCs. It covers the usefulness of OER, measures of desirability, and various sources for finding OER, emphasizing the importance of open access, relevance, and the four 'R's model. Additionally, it explores public sentiment regarding OER and MOOCs, highlighting growing interest and positive reception towards OER.