General rule of thumb, is to never use “password” as a password, and I mean nothing. It is one of the dumbest thing you can do if you actually care about the account or whatever.
I usually secure my servers with many different passwords. However, it appears Twitter didn’t think they needed a very secure password, as they used “password” as password, according to TechCrunch: Another Security Tip For Twitter: Don’t Use “Password” As Your Server Password.

I use password1… Nobody will ever hack me
LOL, seriously though… Twitter fail. Epic fail O_O