1. A computer-executed method, comprising: identifying a first population of social media users who are aligned with a topic; identifying, by a computer processor, a second population of social media users who are aligned with the time-based media event, and determining, by the computer processor and based on the first population and the second population, an affinity score associated with the topic that is indicative of an affinity by social media users for both the topic and the time-based media event; and generating for display a visualization of the affinity score that includes a first graphical element representing the time-based media event, a second graphical element representing the topic, and a visual relationship between the first graphical element and the second graphical element, the visual relationship dependent on the affinity score.