Public Relations, Adrenaline Junkies

It can be a general, nationwide or worldwide audience, but it is more often a segment of a population. Marketers often refer to economy-driven "demographics," such as "black males 18-49," but in public relations an audience is more fluid, being whoever someone wants to reach. For example, recent political audiences include "soccer moms" and "NASCAR dads." There is also a psychographic grouping based on fitness level, eating preferences, "adrenaline junkies,"etc..

Source: Wikipedia > Public Relations