Condemned To Google Hell
If you’re into tweaking your web pages to get ranked high in the search engines, and then rely upon that traffic for income, you might want to check out this article:
http://www.forbes.com/home/technology/2007/04/29/sanar-google-skyfacet-tech-cx_ag_0430googhell.html
The article points out that the penalty for spamming the search engines is banishment to a supplemental index. The problem is you may not know why you got banished!