Which factor is NOT included in user behavior for segmentation?

User behavior segmentation focuses on how users interact with a product or service, specifically their actions and interactions rather than their demographics or external factors. Factors like purchase history, which indicates what products customers have bought before, and interactions such as clicks and opens within an email, provide direct insights into user engagement and interest. These behaviors are crucial for tailoring marketing strategies to meet the specific needs and preferences of different user groups.

Job title, while also indirectly related to behavior (as it might influence purchasing decisions), generally conveys a demographic aspect rather than a behavioral one. In contrast, personal income does not reflect user behavior at all; it is a demographic characteristic. Thus, it does not fit into the category of user behavior used for segmentation purposes. Focusing on behaviors helps marketers create more effective strategies by understanding how users actually engage with their marketing efforts.