Contributors to Wikipedia have wondered aloud lately if — perish the thought — they are running out of topics. The obvious articles, low-hanging fruit like “China,” “Moses” and “Homer Simpson,” have been written and rewritten hundreds of times. There are more than 2.8 million articles on the English version of Wikipedia alone. Already looking back, Wikipedia this month got its first serious memoir, “The Wikipedia Revolution,” by Andrew Lih, an early Wikipedian (yes, that is what they call themselves), who writes about how “a bunch of nobodies created the world’s greatest encyclopedia.”
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