<p>Part of the problem is that we are assuming people can only fit into one category. For example, I often hear the word "hipster" used to denote someone who is neither a preppy nor a hippie, but someone in-between; a more urban member of the cool crowd. Such a person would not be uncomfortable in a t-shirt, jeans and a baseball cap.</p>
<p>There are probably lots of people who would fall into each of these categories at one time or another.</p>