Yes, but they can figure out what on the blacklist was used for a given site. For example, Ghostery has Ghostrank which is pretty similar to this--it sends back

Yes, but they can figure out what on the blacklist was used for a given site. For example, Ghostery has Ghostrank which is pretty similar to this--it sends back to advertisers what stuff was blocked. https://www.ghostery.com/en/faq/how-does-ghostery-make-money-from-the-add-on/ https://www.ghostery.com/en/faq/how-does-ghostery-make-money...