Since Wikipedia was launched online in 2001 as "the free encyclopedia that anyone can edit," it has blossomed to more than a billion words spread over 10 million articles in 250 languages, including 2.5 million articles in English, according to Wikipedia cofounder Wales in the foreword. Lih, a Beijing-based commentator on new media and technology for NPR and CNN, researched Wikipedia and collaborative journalism as a University of Hong Kong academic, and he has been a participating "Wikipedian" himself for the past five years.

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