Those who give up essential liberties for temporary safety deserve neither liberty nor safety.
 
Benjamin Franklin
 
In individuals insanity is rare, but in groups, parties, nations and epochs it is the rule.
 
Friedrich Nietzsche

Portable Applications

Portable Applications are fully functional software packages optimized for use on a USB key drive or any other removable and transportable media...

Now you can carry your software with you, along with all of your bookmarks, settings, email and so on. You can use them on any Windows based computer... All without leaving any identifying personal information behind you.

http://www.portableapps.com/