Ever wanted to know what Google REALLY thinks? Then read this little report by Amit Singhal, the head of Google's core ranking team. It's his thoughts and ramblings on how hard it is to run a commerical SE in this day and age. The actual name of this report is "Challenges in Running a Commercial Web Search Engine" but that's stuffy and it's really an inside look at Googles thoughts on spam and how they deal with rankings. He briefly mentions how they deal with link analysis and rankings, but then he goes into much more detail on "the Greedy Spammer" on pages 15-25. He even covers methods they know spammers are using and how they counter these methods. This is a must read! Download: Code: http://www.mediafire.com/?2knd4lo4vd4bygl VirusTotal: 0/43 (0.0%) Code: http://www.virustotal.com/file-scan/report.html?id=c0ceae4e9d79ce79f18967c090934f659a37e24a00a4234ef4dff92bb2bdfb66-1309873407 This is a couple years old but still very useful!! He points out some simple ways they are tripping up spammers that will probably never change. Alot of people on this forum use the very same methods he is talking about countering. Enjoy!