If you've been struggling to get your dose of Facebook or Twitter in China recently, then you're probably one of the many Internet users who've had their VPN access -- either free or paid for -- blocked over the last two weeks or so. That's right, the notorious Great Firewall of China is still alive and well, and leaving proxy servers aside, VPN is pretty much the only way for keen netizens to access websites that are deemed too sensitive for their eyes; or to "leap over the wall," as they say. Alas, the recent pro-democracy protests didn't exactly do these guys any favor -- for one, their organizers used Twitter along with an overseas human rights website to gath
