That assumes that ghostery users block some ads, not all. Try this alternative: The reports sold by ghostery tell example.com the link targets and reseller cha

That assumes that ghostery users block some ads, not all. Try this alternative: The reports sold by ghostery tell example.com the link targets and reseller chains for each ad on its site, so it can keep away the ads for herbal viagra or fake gucci clothes. (Ad space is often sold through resellers, I've seen five-reseller chains myself and have heard stories about longer ones.)