I have only a Chinese version yet: #lvba #greendam
当GFW遭遇微博客（1）
In this first article, I try to analysis the huge impact of the uprising of micro-blogging  services towards the Great Firewall (GFW), which is created by the Chinese government to censor the Chinese Internet. My website was blocked by the GFW from August 2008 to May 2009, [...]

An explanation from a South Park Episode is available here. Highly recommended.
If the above link does not work, google these words:
South Park: Season 13 Episode 3 – “Margaritaville”
My original source is this.

This BBC news article says it is about a video, and I find it here:
http://media.phayul.com/?av_id=147&av_links_id=323
http://www.youtube.com/watch?v=xiZL9zvQ3Sc
Speechless.
When you are blocking information sources without a good reason, we tend to think you are hiding the truth.