What do you carry on your USB flash memory device?

[Detectorist]

I need to upgrade my stuff so I'd like some opinions....for starters, I carry Malwarebytes and Avira rescue disc...

[filthy infidel]

Superantispyware, MWB, StalledPrinterrepair, CCleaner, SmartDefrag, clean copies of IE7, 8, FFox, HijackThis, GlaryUtilities, Lubuntu, XP, WinsockXP fixer, Cain & Abel (some malware software catches this and raises HAIL when it sees this.....)

[Linux3]

Knoppix STD.
Good for Linux and Windows Admins.
http://s-t-d.org/tools.html

Hack, crack, test anything.

[solomansousana]

Mine has a security program, McAfee for usb drives, openoffice, kremlin portable security which allows me to encrypt/decrypt with a right click on any file, it also allows me to shred any document or file with 1 to 99 overrights according to DoD specs, picture recovery software, mozilla firefox,