Virtual private networks allow users to circumvent China’s censorship and access the Internet unfiltered. VPN providers including Astrill, StrongVPN, and Golden Frog reported access problems with their services last week. China’s government has already blocked Facebook, YouTube and Twitter. VPN services are gaining popularity among some sections of the Chinese public, and have become a convenient way to access popular foreign sites not allowed in the country. But the government isn’t concerned that the censorship might disrupt the local Internet industry.”]