The document discusses the effectiveness of combining a documentary product with ancillary texts like radio advertisements. It notes that using consistent elements like the same narrator voice across all products helps create an identity for the audience to associate with. Clips and music from the documentary were used in the radio advertisement as previews to entice the audience. Text was also consistently used across the documentary and print advertisement to further promote their identity while differentiating the products. The print advertisement was similarly designed to one by Channel 4 to target younger audiences.