The number of information requests coming to Google from governments around the world is growing fast. It is up 55% for the first half of 2012 vs. the first half of 2010. The linked article has some nice graphs showing the trend.
It is interesting to note that the US leads the world with over a third of the total requests, followed by India then Brazil.
The other even faster trend is in takedown requests. Since they are s search engine, not a host, this is really pure censorship. It is up 88% between the first half of 2011 and the first half of 2012. That is a true hockey stick. A lot of it appears to be trying to suppress criticism of government or government activities.
The more such information is gathered, the more important it is to take control of your own personal privacy.