This document discusses the concept of transmedia storytelling. It explains that transmedia involves integrating entertainment experiences across multiple media platforms to immerse an audience in a story. Rather than spreading one big idea across different types of media, transmedia utilizes different functions and communities to tell different parts of the story. Examples are provided of how transmedia was used for the Audi A3 "Art of the Heist" campaign, the Oasis "Cactus Kid" game, and the Batman "Dark Knight" film marketing.