A productive evening so far.

First, the bad news: the busybox Amazon ships the Kindle with doesn't have telnetd compiled in.

And now for the good news: Linux ARM binaries work just fine. Like the nice static build of busybox for Android I had laying around.

As of about 2 hours ago, I was treated to this lovely sight:

# telnet 192.168.15.244 2323
Trying 192.168.15.244...
Connected to 192.168.15.244.
Escape character is '^]'.
kindle login:

By now, the utility of USB networking to the Kindle should be clear to most readers