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glengara - 4:45 pm on Dec 3, 2004 (gmt 0)
So links would go to, and viewers would see, the "standard" mysite.com/index.html, while bots would get their special version of mysite.com/index.html. "Shadow Domain" sounds more impressive though ;-)
Algebrator, if I understood it correctly there's only one domain/url, but different versions of it.