moftary - 5:11 am on Aug 14, 2005 (gmt 0)

Their quality evaluations provide data that can be used to refine and test Google's search algorithms.

I think that's the case only..

IMO, the ban incident was automatically according to an algorithm, but if it's that's the case surely it's a weak algorithm since it caught some scraper sites, left some scraper sites and hit some legitemate ones.