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Apple CEO Tim Cook Joins Weibo

Apple CEO Tim Cook joined Chinese microblogging service Weibo on Monday, underscoring the significance of the Chinese smartphone market to Apple. Cook's verified account on the Twitter-like service has already amassed 320,000 followers as of early Monday, according to TechCrunch. The news comes on the heels of the Cupertino-based company's announcement that it plans to expand its renewable paper and energy initiatives in China.