dated, but comprehensive article about Cookie Stuffing.
Since then, the cookie stuffers have gotten smarter.
They even advertise on Google. Here is an advertisement from a Google Search:

The firm proclaims:
WARNING: If you don't like the idea of making money with Blackhat
tools and strategies, then this site is not for you. Otherwise, proceed on
This sales letter is going to be real quick and simple for you. You
know why you are here, so let's get right to the point.
The advertisement shows how a site that gets 1,000 visitors a day made over $8,000 in a month
The script does not
redirect every surfer. The click through rate script can be adjusted to look "normal" and the script can be told only to
redirect surfers who come from specific domains.
Ami Isseroff
October 4, 2008
Updated October 6, 2008
Note - Definitions of Search Engine
Optimization terms are based on inferences from common usage and definitions given by other sources. Conclusions about
search engine behavior are based on understanding of the behavior of the most popular search engines. Both are subject
to error or may change. Search engine company management may define or use a term or set or change any policy in any way
they see fit, and may make these definitions and specifications public or not. These decisions and definitions are
beyond our control. Notice: Copyright
All materials are copyright 2008 by Ami Isseroff. All rights reserved. These pages may not be reproduced in any
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