While Google dislikes link farms and will often delete duplicate links pages off their SERPs. It appears that Google is more tolerant of agressive backlinks strategies – than Yahoo.

Yahoo appears to have a filtering process that will delete a site off theirorganic SERPs if there are too many aggressive backlinks too soon.

Has anyone encountered this – losing your Yahoo rankings as a result of aggressive Google backlink optimization?

MSN also appears to now have one in place similar to Yahoo.

It is an interesting conflict to resolve because collectively, they can bring in substantial traffic, although not as much as Google.

Galaxy, what is "aggressive Google backlink optimization"?