Very Usseful Post

OMG! This is an amazing article on the Google No-Follow tag. It's amazing if you're into geeky things like internet based marketing science, I suppose.

It remains to be seen how significant an effect Google’s “nofollow” rule will have on reciprocal linking and link sales, with the level of understanding and acceptance of the rule among website owners playing a significant role in the outcome. One thought to keep in mind is the that the use of “nofollow” might actually leave an SEO footprint for Google to detect that a site has been “SEO’d”.