I'm curious to know what account people use on their Pi. Do you still have the pi/raspberry combination, have you changed your password, or have you created a new account with a different name (or changed the name of the pi user.) Or have you chosen simplicity over security and disabled login entirely, or typically log in as root?
For those interested in improving the security of your Pi, here are a couple of tutorials on user accounts:
Create a new user account
Change default password and create new accounts
And here's a brief primer on how to limit sudo permissions. If you have multiple accounts, you may not want to allow all of them to do everything as root, although perhaps some of them may do certain things (such as mess with GPIO or reboot) but not other things (delete or edit files as root.)