It is now possible to quantify and qualify a target audience more finely than ever before. : One of the first things you will learn in an Introduction to Marketing Class is the importance of defining your target audience. If you don’t know much about the people you are trying to sell to, naturally, it will be difficult to know which selling strategies will likely be most effective. This is something that is true in seemingly every industry, from real estate syndication to selling bananas to everything in between.