Note: This post was migrated from my old blog software. It hasn't been cleaned up yet (and might not ever be). Don't be surprised if the formatting, links, images, etc... are messed up.
If I had the money to get a patent attorney I'd go after a patent
on a combination USB drive and your car alarm remote clicker and a
flash light all-in-one fob.
Also, using the same USB principal, I would make it the key for the
car (and your house and where ever else you needed it). No more
physical keys, just digital ones.
I would also move this to the next step and setup the device so
that it didn't require a physical connection thru the USB plug. Any
number of short range wireless systems would suffice as well.
Of course, this all points to the future where we each have a chip
implanted in our hand that is our universal key for all things we
need to access. The way things keep shrinking we should be able to
keep a decent amount of in storage as well. With luck, this won't
be that necessary since we should have pretty ubiquitous network
connections and the hand key should allow us to access anything we
need from anywhere.
While you could use something like an eye scan for the key part
there is a security issue in the fact that it's always the same.
With the digital implant the key could be setup to change on a
coordinated set interval or each time it is used. Making it much
harder to crack.
Also, this would avoid a single password vulnerability. The
internal chip could have 1 code for each thing it needs to access.
Each code being completely independent of the others. That way, if
one of the back end systems is compromised, the other assets are