Googlewhacking—finding a search combination that returned exactly one hit—used to be all the rage, with some people devoting astonishing amounts of time to it, only to report it on a blog, have Google index it, immediately invalidating it (because now there are two results). Below is one that I stumbled on recently:
Googlewhack May
At the time (May 12th, 2007), it returned exactly one result and, amazingly, has stood the test of time, returning only one relevant result today (as shown below):
Googlewhack July
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