Bypassing China's net firewall
Bill Xia left China for the US in the late 1990s. He keeps up with events in his homeland, mostly online. He has been amazed by the rapidly growing number of people in China who can join him in cyberspace.
But he has also watched as Beijing tries to keep tighter and tighter control over those Chinese web users. Mr Xia says he got fed up with the way the Chinese authorities control access to information on the web
"I started realising the media controls in China. And then I realised the internet presented a great opportunity to get around those media controls," he said.
In 2001, Mr Xia and some other US-based volunteers started Dynamic Internet Technology. The company helps Chinese web users get around China's firewall.
By Clark Boyd at BBC.
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