From the International Herald Tribune:
In recent weeks, the Chinese government has demonstrated its hostility toward the emergence of a credible source of reference material that escapes its control by frequently blocking access to Wikipedia, whose Chinese version, though still far smaller than its English-language counterpart, is growing by leaps and bounds.
But on sensitive questions of China’s modern history or on hot-button issues, the Chinese version diverges so dramatically from its English counterpart that it sometimes reads as if it were approved by the censors themselves.
This gulf in information and perspective comes across powerfully in the entry on Mao, which is consistently one of the most frequently searched and edited topics in the Chinese version, and in the entry on historical watersheds, like the Tiananmen Square massacre, the Great Leap Forward and the Cultural Revolution. [Full text]