This document summarizes research on audience profiling techniques. It discusses models from Young and Rubicam that segment audiences into subgroups based on demographic and psychographic characteristics. It also describes the Mosaic UK model, which provides more detailed subgroups. The document outlines factors like age, gender, occupation that influence media interests. It discusses Uses and Gratification research on why audiences engage with different media types. Finally, it covers Stuart Hall's audience reception theory and Ien Ang's work on negotiated readings of popular media.