There is a great documentary[0] about the cassette. They explore its creation, history, and what it meant (and means) to people. They interview Ottens extensive

There is a great documentary[0] about the cassette. They explore its creation, history, and what it meant (and means) to people. They interview Ottens extensively as part of the film. [0] https://www.cassettefilm.com/ https://www.cassettefilm.com/