I like this idea. I'll bet there's a way to launch the info at startup
(when the stick is plugged in).
Even if not used for emergencies, I'm thinking it's a good way for me
to store my parent's medical information. And if I ever get back to
trying my TW with my OLPC, I'll have it with me most of the time.
Also - I can't remember where I read about it (I'll look later) - but
there are people who use this general ID with their kids. Each of
their kids has a USB stick which they somehow carry around (I can't
remember exactly) - it autostarts to bring up the parent's contact
information and child's first name, and I believe emergency medical
info. Apparently it was actually used when one of their children was
lost in an amusement park (or zoo, or someplace like that - details
are fuzzy at the moment). The kids are instructed that if they got
lost, to find a safe adult (the usual - a policeman, someone dressed
like security) and give them the USB stick. The parent's also carry a
stick with the kids' information and pictures.