Matt Cutts issued an unusually stern warning about using CSS Spam techniques, coinciding with the Jagger Update (strangely enough) Oct 19, 2005:
http://www.mattcutts.com/blog/seo-mi...wise-comments/
Here is link a to the article in Threadwatch entitled; “Google Engineer Hammered over CSS Spam Comments”:
http://www.threadwatch.org/node/4313
I am seeing Jagger3 update busting CSS Spamers:
Look what happened on the way to the “wood pile”!
I believe many are seeing collateral damage.
Ken