Well, I've Been Saying that the Internet is Subversive

The Economist on China: The internet’s spread has created an opportunity for vigorous public debate that hardly existed a decade ago. The authorities try to block sensitive discussions, using keyword filters and an army of “net nannies” employed by portals and internet service providers. But the impact of these efforts is limited, with savvy users quickly finding ways of circumventing government blocks. One clever technique has been to use online software to render Chinese-language script vertically instead of horizontally. This has baffled the keyword detectors, for now at least.