I was sending e-mails from within a departmental account that just shows the department name as the sender, not indicating who is actually typing the message.
Me (disguised as generic department): Can you please include the ID# on the subject line of these e-mails?
Co-worker: The ID# is in my calendar.
Me: I don’t have access to your calendar.
Co-worker: Who is this?
Me: I am HAL. No 9000 computer has ever made a mistake or distorted information. We are all, by any practical definition of the words, foolproof and incapable of error. I am now closing the airlocks. Goodbye, Dave.
(how’s that for a pop culture reference,