The document discusses the production of a radio trailer for a documentary. It summarizes that: 1) The radio trailer was 30 seconds long, following industry conventions for length. It used short clips from interviews in the documentary to keep within time frames. 2) Soundbites and direct address from the documentary were used in the trailer to create intrigue and a relationship with audiences. 3) The same voiceover and music were used in both the trailer and documentary for continuity. Information about air times was included at the end to help audiences remember to tune in. 4) By adhering to radio trailer conventions, the produced trailer functions effectively as a real media product.