As consumers, we are often bombarded with different types of advertisements each day. Whether it’s by television, newspaper, billboards, or the internet, advertising has reached us one way or another. Yet, a majority of the ads that we encounter are often meaningless and uninteresting, because of the fact that these ads are meant to reach a certain target audience. This perception seems to change, however, when we look inside our mailboxes, pick-up our telephone, and even check our e-mail. We often ponder how marketers know that we have ....