Here is an informative post on how one person can create billions of pages, get them listed in Google and then plaster it with pay per click advertising to make serious money. This is the kind of thing much of the spam comments and trackbacks to blogs are attempting to create links to.
C. David Gammel, CAE
Helping associations pursue goals that matter.
C. David Gammel, CAE 
Thanks. Good read. Now it’s down to 0. Google’s manual processing works pretty fast. Impressive. Those 4,000 employees are obviously doing something.