The document discusses how a media product both uses and develops conventions of real media products, as well as challenges some conventions. It examines the similarities between the created poster and existing posters, such as prominently displaying the film title and credits. It also notes how the created poster develops conventions by making the release date and credits larger and using a different color scheme. Additionally, it challenges conventions by adding a large production company logo, age rating certificate, and critics rating not typically seen on posters.