The document discusses how community hubs in Moodle 2.0 allow educational organizations to publish and share courses. It provides an example of an administrator at Orange University who creates the Orange City Hub to connect her university to other local sites. Courses can then be published on the hub for members of connected sites to enroll in or download. The hub network expands as more sites connect, allowing greater learning opportunities across organizations. MOOCH is introduced as a global hub that allows courses to be searched, enrolled in, and shared worldwide.