The wishlists, he could download quite easiely, got name, state and city of the wishlistowner. Once having the wishlists on his hard drive, he was able to automatically check for certain wicked words and authors. The evilwishers city names and states he then passed to google earth to get a lovely map, with the locations of all the wrongwhishers pin pointed to it.
This, one man could do in five hours after work, with two outdated computers, an external harddrive and a DSL connection. Extrapolate this to what those could do, who make a living from this kind of stuff. Here is the whole documentation with scripting and explanations, check it out.
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