China's military mouthpiece, the Liberation Army Daily, is not a fan of micro-blogging. On October 19th it said Twitter had caused chaos during Iran's political turmoil last year, and gave warning that such instant information-sharing tools posed "hidden dangers" to national security. Having blocked access to Twitter, however, China is encouraging home-grown versions. Both the government and its critics have become avid users. Bloody ethnic riots in the far-western region of Xinjiang in July last year sealed the fate of Twitter and its domestic clones.
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