Google whacks more paid linking
 

Seems that they are trying to eliminate more paid SEO stuff, and AdSense competition.

Paid Reviews Penalized by Google?
Users were also urged to remove any link back to Text-Link-Ads.com, as well as avoid adding ad disclosures such as “Sponsored Links” or “Advertisements”
http://blogoscoped.com/archive/2007-11-17-n80.html

PayPerPost Bloggers Get Slammed By Google
Google’s attempts to deny competition because PayPerPost is a “a very attractive alternative” to Adsense.
http://www.techcrunch.com/2007/11/16...med-by-google/

I noticed a link in the G webmaster interface to report paid links...

As long as Google doesn't rely on human reviewers/editors, they will be manipulated and fooled by many webmasters ...