Some related posts from Technorati and Google.

[ Invest Clever] You Own HYIP Due Diligence: This article may give you some ideas on judging whether an investment program is worth-investing or not. These are some points to consider. Well, everyone should have their own Due Diligence and be responsible for their investment. Scripts After you saw a 5-10 HYIPs, you may discover that all their script looks alike! That is all the Gold

 [Wired.com] Wired News: When the Spam Hits the Blogs: "You can request Web pages even faster than you can send e-mail spam, and it's not against any ISP's terms of service to request Web pages either. So it'd be really easy to hit a lot of sites with a lot of spam in their logs."

 [Coldforged.org] coldforged.org » Blog Archive » Killing Referral Spam: on their pages, so any referrer spammers will get links and corresponding Google Juice.* Many sites have public links to their referral pages which can be spidered.* Site stats can be bloated by referral spammers so that getting an accurate record of your readership is all but impossible (hat-tip to Rudy).* Obviously the more referral spam hits you get the more bandwidth that gets used. For those on limited hosting plans or for hosts themselves, this can be costly and burdensome (hat-tip to glo).* Some blogs have scripts to pick up the most common referral addresses and link back to them (hat-tip to Shadow).

 [Underscorebleach.net] Proposal on referrer spam: I recently implemented Brad Choate's MT-DSBL, a plugin that checks a commenter's IP against the blacklist maintained at DSBL (a service that keeps a list of open relays). I believe the general idea of combatting comment spam by harnessing the DSBL or DNS-based blackhole lists could also be used to ferret out referral spam.

[Floggin.us] floggin » Referrer Karma - A Referral Spam Prevention Tool » Blog ...: If the first test fails then it checks a large list of known referral spamming IPs and URLs they use to spam, if it is matched on that list then they are shown a 403 Forbidden error and given an opportunity to click a link to access the site if they were banned accidentally by the script. This is something no automated tool will do.

 [Invision-graphics.com] Referral Spam: This is why we made Referral Spam a commnuity effort, each registered user can activley partake and help keep Referral Spam up to date by, submitting abusive referral spam url's, spam referral ip's or contribute to the bad word filter.

Reflected tags on Technorati: Blog, Referral Spam, Targeting Spam