Search Engine Optimization Blog – SEM News & Opinion

I found a thread at wmw that had several links to videos and papers on how the Google file system works. It was very interesting if your into geek stuff like that.

Here is one from October 2003. There are several more in the webmasterworld thread.

Google Fires Back at Rank Checkers With Captcha Challenge

As far as I can tell I was the first to point this out on the web.