Google finds its content continually banned and/or censored in China. In July 2010, the country agreed to extend the company’s license, but this was after extended back and forth. Google threatened to leave because of hackers and censorship, and even went so far as to reroute its Google China server to an uncensored server in Hong Kong, which angered Chinese officials. At left, the Forbidden City in Beijing.
Source: wired.com