As a little hobby I sometimes engage in editing notorious online encyclopedia Wikipedia. Notorious of course because great swathes of the websites entries are riddled with errors. Edit wars are also a regular occurrence, disputes over the facts waged by bored nerds that go on forever. Bloody edit wars have included "Did Daffy Duck have any ducklings?", "was the lead character in Grand Theft Auto 4 Croatian, Russian or from an unspecified East European Country?", and should the anus article have a picture of an actual human "chocolate starfish".
Less known is the secret editing by people trying to gerrymander the facts, my first example may seem strangely mundane, however... In June 2007 a unknown user named "fcukrain" ( I kid you not) made swathing changes to the Penzance article including extremely un-encyclopedic language and this sentence,