The document discusses audience research and targeting audiences for media texts. It covers defining audiences through demographics like age, gender, income level. It also discusses analyzing how audiences will engage with and react to media texts based on their expectations, prior knowledge, and ability to identify with the text. Different media measure audiences in various ways like ticket/merchandise sales, downloads, viewership and ratings data. The effects of media on audiences has been modeled in different ways from the hypodermic needle model of passive audiences to two-step flow and uses and gratifications theories that see audiences as active agents.