How does one determine the geographic coordinates of a visitor to a web site?
Google Adwords can narrow a person's clicks to a particular zip code. How accurate is this?
Clickcease.com does the same thing? And yet, when I examine the visitor logs of --let's just say as an example-- 1and1.com, There is no geographic coordinate information there. Where is Google and Clickcease getting this data?
How is Google adwords able to do this?
How is Clickcease able to do this?