Google does eliminate more than 90% of scrapers. It's just really easy to create...

lacker on May 12, 2011 | parent | context | favorite | on: Google penalizes original content site because of ...

Google does eliminate more than 90% of scrapers. It's just really easy to create scrapers; they can outnumber the original content by more than 1000-1. So you need many, many systems to remove scrapers.