This document discusses how to identify and engage target audiences for transmedia storytelling projects. It explains that the audience can be identified based on their demographics, interests, and technology usage. It also discusses that audience engagement varies, with most people only passively engaging like watching a video, while fewer people highly engage through activities like content creation. It provides models for measuring engagement on a scale from low to high involvement. The goal is to provide the right content to attract, hold, and inspire different levels of engagement from the target audience.