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timster - 12:33 pm on Sep 27, 2004 (gmt 0)
That's easy. If you search for, say "Tibet" or "tiananmen massacre" and find that most of the sites are blocked, you'll have a big hint that someone is hiding information from you. Also, the SERP's will contain some of that information. It's more like "See no evil, hear no evil" at Google these days.
So, exactly what would be the point of google serving up search results from a domain you wouldn't be able to see anyway?