China is gradually relaxing controls in many areas of life but Beijing keeps a tight grip on technology and access to media. These seven items are still off limits.
Change is afoot in China. Its leaders have promised a decisive role for markets in the huge economy, and recently lifted a 14-year ban on games consoles. But in many areas, there's still a long way to go.
Try using Twitter (TWTR), for example. Too bad!
The social media platform can't be accessed from within the so-called Great Firewall of China, a censorship project operated for decades by the Communist Party.
Thousands of websites cannot be viewed inside China either, but social media platforms draw special attention from censors.
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Analysts say Beijing was particularly unnerved by the role social media played in the Arab Spring and the 2009 Green Revolution in Iran, leading to a blackout for the service.