The Chinese government appears to be focusing on filtering Google results and cache listings for its citizens and ignoring Yahoo and Gigablast, according to this article from OpenNet Initiative: Google Search & Cache Filtering Behind China's Great Firewall. Good news then for those in China -- use these alternatives, at least until the government catches on.
Optimising Digital Marketing Campaigns with Search, Social and Analytics
At SES London (9-11 Feb) you'll get an overview of the latest tools, tips, and tactics in Paid, Owned, Earned, Integrated Media and Business Intelligence to streamline your marketing campaigns in 2015. Register by 31 October to take advantage of Early Bird Rates.