Because of the way they are misused all over the Web, categories have grown to become something that we regard in a purely user-centric light. We think of them as navigational tools and guides for users, but in reality, categories are a powerful tool that Webmasters can use to exercise precise control over content in a dynamic environment.
Unfortunately, the true power of categorized content has been masked by the one size fits all implementation you see everywhere on the Web—the proverbial long, ugly list of category links now appearing on a blog near you.
As luck would have it, that awful category list also turns out to be a very poor presentational strategy for your site… But why?