There are three things you should know. First, the decision:
…earlier today we stopped censoring our search services—Google Search, Google News, and Google Images—on Google.cn. Users visiting Google.cn are now being redirected to Google.com.hk, where we are offering uncensored search in simplified Chinese, specifically designed for users in mainland China and delivered via our servers in Hong Kong.
Second, the Chinese government could block access to Google.com.hk at any time.
Third, Google appears to be concerned that the Chinese government could take retaliatory action against its employees in China:
Finally, we would like to make clear that all these decisions have been driven and implemented by our executives in the United States, and that none of our employees in China can, or should, be held responsible for them.
The ball is now in the court of the Chinese government. I’m expecting a swift response!