Way back in the early days of this site, when its pagerank crossed 5 or so and traffic started to pick up, I got hit by some pretty hardcore comment spammers. This was not hand rolled stuff, this was robot love, and lots of it. It brought the CPU to...
See more 
Way back in the early days of this site, when its pagerank crossed 5 or so and traffic started to pick up, I got hit by some pretty hardcore comment spammers. This was not hand rolled stuff, this was robot love, and lots of it. It brought the CPU to its knees, hitting my site with multiple sessions and scores of links in each comment. Of course, we all know why folks comment spam - to gain search juice. My fearless sysadmin and I fought back with all manners of countermeasures, and we ultimately found a solution which pretty much defeated the robots - a neat little hack that pretty much ensures robots cannot get in. Humans, however, can still get in, in particular if they obey some simple rules - no more than two embedded URLs in the comment, and no previous record of bad behavior. Well, I'm sad to say it seems that a new form of comment spam has sprung up - the human comment spammer. I've been somewhat bipolar about these guys - I mean, they have to earn a living, and sometimes their... See less 
Highlights:
* 45 comments: Now, This Reads Wrong to Me (07.03) * 38 comments: Google Not Buying MySpace Was Not A Strategic Blunder (06.29) * 30 comments: YouTube Worth $1 BIllion?
.value, '<a href="http://www.kaboodle.com/chetan/anti-spam.html"><img alt="" src="http://cn1.kaboodle.com/hi/img/2/0/0/2a/b/AAAAAv67TYIAAAAAACqxkw.jpg" width="100px" /></a>','http://www.kaboodle.com/chetan/anti-spam.html','1');)
