From the page: "Fight Back Against Spammers
WWW Robots (also called wanderers, spiders, crawlers, or bots) are programs that crawl the Web continually retrieving linked pages. When a spammer's bot visits your website, blog, forum, etc, all pages and sites linked to it will be searched looking for email addresses.
Now you can fight back against their robots!
All you have to do is link to this page so that whenever a spammer's robot scans your page, it will be sucked into this one. To link to this page, just use this simple code:"