Using the Internet in China has always been a bit of a struggle, simply because the government is very restrictive regarding which content can be accessed by residents. To counter this problem, many Chinese Internet users have signed up for VPN services to bypass the Great Firewall. But as it turns out, even those services are not free from government surveillance, as their lackluster encryption tools are relatively weak.
http://www.newsbtc.com/2016/01/25/popul ... n-methods/