This document discusses the opportunities and challenges of MOOCs (Massively Open Online Courses) for libraries. It provides an overview of MOOCs, including popular platforms like Coursera and edX. As both a MOOC student and librarian, the author reflects on their personal experiences. The document outlines several ways libraries can get involved with MOOCs, such as contributing to course design and content access, and providing reference services. It also discusses collaboration opportunities between libraries and MOOC institutions.