Google Product Forums
Re: Think you're affected by the recent algorithm change? Post here.
pubcrawlercom Mar 8, 2011 1:22 PM
Posted in group: Webmaster Central

Categories: Crawling, indexing & ranking :

Benjamin Edelman has a good write up including screen captures of Google in action from last fall of Google tampering with search results:

http://www.benedelman.org/hardcoding/

Read Ben's bio while you are there:
http://www.benedelman.org/bio/