“Imagine a world where you receive thousands of messages each day. These messages are not only from your friends and family, but from strangers who want to sell you something. Maybe the strangers want to sell you one of their products or services, or maybe they want to sell you ideas they believe in. Imagine if these messages were hidden in plain sight, but you weren’t aware of them.
This world isn’t one that needs to be imagined, but is in fact the world in which we live in. The strangers we just imagined aren’t strangers at all, but instead familiar faces, phrases, and logos we know and love. The strangers come in the form of advertisements, television programs, newspaper articles, and even musical lyrics…” (Retrieved on August 12, 2008 from http://www.understandmedia.com/art15.htm).