This is extremely interesting in terms of getting traffic to a website. Its also the same premise that I am seeing with sites like http://www.del.icio.us
Social Bookmarking
http://www.seo2020.com/seo-articles/soc ... rking.html
This is along the same lines --- its called tag and ping and uses blogs to achive traffic!
I know that research in this topic will uncover some great innovations:
http://www.seo2020.com/seo-articles/tag-and-ping.html
Let me know if anyone has any more info on this.
I think that we can start using this even now!