Is "cookie pool" a widely known term in the ad targeting industry? Article would benefit from an explanation of what that is. Guessing it's the people who have

Is "cookie pool" a widely known term in the ad targeting industry? Article would benefit from an explanation of what that is. Guessing it's the people who have a tracking cookie set, but how can those be subdivided like subprime CDOs? Also, "Internet Explorer [is an] amazing execution of creativity that people actually want to view" is not a comparison that is going to win anyone in the web industry over to your argument...