Matt Cutts made a post on the official Google blog stating that Google does look at search logs / usage data to determine how large spam attacks are and how well new anti-spam measures are doing.
Full Story Via SEOBook.com
Related posts:
Matt Cutts made a post on the official Google blog stating that Google does look at search logs / usage data to determine how large spam attacks are and how well new anti-spam measures are doing.
Full Story Via SEOBook.com
Related posts: