Reveiw: ''Cool Hunters: The Legal stalkers of Young Culture''

In the first paragraph the writer explains about the differences between the change agents and the cool hunters in the world of advertising. My opinion is that the cool hunters make the advertising more exciting.
One group of cool hunters, Sputnik don't observe. They become part of the cool society. But, I think it is an advantage for the cool hunters because they can observe and know how the follows think.
Business pay a lot of money for the cool hunters and the change agents like teenage they follow what they are told is ''cool''. For me, the cool hunters help the big brands companies with their advertising. But, some teenagers are obsessed with fashion and the big brands.
Graffiti in the past was young people expressing their ideas and beliefs. Now graffiti is part of the world of advertising and materialism. I believe, the graffiti has to be a from to express ourselves. It's no good to use art style for advertising of the big brands.