Desiring God posted an article from World magazine on this topic. It begins:
China’s Christian surge is likely to continue in 2012, with teaching via the internet contributing to it. Type “democracy” or “Tiananmen Square” into Baidu.com, the popular search engine in China, and a message will pop up informing you that you cannot access the page. But type “Christianity” into the same search engine, and you’ll be flooded with links to church websites, personal blogs, and sites about Christianity from inside and outside the country.