Safetstick. Currently only available up to 64GB but still worth considering - Softek IT Security, Online Backup, Backup Software, Email Spam...

I wasn't happy when my cards were changed to types with contactless technology over a year ago. The old cards still had plenty of time left on them....

Since some of the Guardian readers are slowly converting to a more sympathetic point ofd view at my main place of work, I'll have 2 if you buy some...