The document discusses how podcasting can revolutionize education similarly to how it has disrupted other industries. It begins by asking if the reader is familiar with podcasting and having created one. It then explains that unlike traditional radio, podcasts can be accessed anywhere, require low-cost equipment to produce and distribute, and have no limits on audience size. The rest of the document provides examples of podcast apps and services, ways to use podcasts in the classroom as a content library, and guidance for teachers and students on creating their own podcasts, including what to record, tools to use, and hosting options.