While cruisin' around looking for the latest BleachBit update I read about this:
How to Disable a New Kind of Cookie called Dom Storage
Updated Sun, 08/29/2010 - 23:22 by v.laurie
Recently, web browsers have introduced a new form of cookie that uses a method called “DOM storage”. (DOM stands for “Document Object Model”.) This new type of cookie has been possible in Firefox since version 2 and is also enabled in Internet Explorer 8. According to Wikipedia, it is also available in Safari 4, Google Chrome 4, and Opera 10.50. DOM storage items can be substantially larger than conventional cookies and can contain more information. Those who are concerned about privacy can disable DOM storage in the following ways....................And this:http://bleachbit.sourceforge.net/forum/evercookies
I disabled the DOM storage last night in Firefox on Ubuntu. I am NOT recommending anyone else do this. Just informing.