I didn't realize these were interchangable...

...but I'd rather be a librarian, if it's all the same to you, thank you very much.

( What am I talking about? Well, Extreme Makeover's casting page includes, in its list of eligible applicants, "2. CANCER SURVIVOR or LIBRARIAN - Candidates must be U.S. citizens between the ages of 21 and 40 and be in good physical health. " Sheesh!)