The document discusses consumer segmentation and market segmentation strategies. It explains that segmenting consumers allows companies to develop tailored products and messages for specific groups rather than using a one-size-fits-all approach. The document outlines enduring variables like demographics and psychographics that describe long-term consumer behaviors, as well as dynamic variables specific to relationships with products. It also discusses differentiated segmentation strategies ranging from undifferentiated to wholly differentiated based on the number of segments and customization of products, messages and media.