How far would you take the brands that you use/wear?

I found this article (http://www.kontain.com/joakimnorman/#entries/entry/6852) about a new social website idea. Basically people would be linked by the types of brands the use/wear. I think this is a pretty good idea, but not sure how it would work with the current websites out there that are doing similar types of things (Facebook).

What do you think about this type of idea?
Would you ever get a brand tattoo and label yourself?