Results 1 - 10 of about 326,000,000 for car [definition]. (0.09 seconds)
But search for cars, and suddenly, no definition is provided:
Results 1 - 10 of about 124,000,000 for cars. (0.12 seconds)
What a difference an S makes? A lot if you're a Googlewhacker trying to determine if your entry has won by following the rules requiring verification in the dictionary. A lot of plurals, it seems, have gone missing.
More from Googlewhack itself in Google and Answers.com Esslessness.
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