Protect your searches from authoritarian surveillance with Firefox plugin

TrackMeNot:

TrackMeNot is a browser extension that protects web-searchers against surveillance and data-profiling. It does so not by means of concealment or encryption (i.e. covering one's trail), but instead, paradoxically, by the opposite strategy: noise and obfuscation. With TrackMeNot, actual web searches, lost in a cloud of false leads, are essentially hidden in plain view. User-installed TrackMeNot works with the Firefox Browser and popular search engines, e.g. AOL, Yahoo!, Google, and MSN.

Check it out. Why, you ask?

TrackMeNot may not radically alter the privacy landscape but helps to place a particularly sensitive arena of contemporary life back in the hands of individuals, where it belongs in any free society.