Poor little post, so sad and uncommented-upon.
If you were going to geek out and carry your OS around with you on your keychain, why not go whole hog and make it linux or a bsd? Come on. Windows on a flash drive is for shilly-shalliers.
Tom was saying something or another about loading Firefox on your keychain, which is when I know to cut him off.
Could be handy for corporate types in case of disaster, for example.
Oh, corporate types, right. Tres geeky.