Google Censorship Facts

Philipp Lenssen of Google Blogoscoped has put together a FAQ of Google's censorship in countries like China. One of the facts is:

How did Google justify their China self-censorship?
In general, Google says that it’s their “policy not to censor search results. However, in response to local laws, regulations, or policies, we may do so.” In regards to China, Google argued that filtering their results clearly compromises their mission, but that failing to offer Google search at all to a fifth of the world’s population compromises their mission more severely.