What does ATM stand for at the banks and such?

Question

Not the texting ATM,I know it means "At the moment"

Answer 1

Automated Teller Machine

Answer 2

automated teller machine.  

Answer 3

I believe it is Automatic Teller Machine

Answer 4

When they first began popping up in the early 80's, the banks advertised them to the general public as "automated teller machine."  Of course, the banking industry could've changed that name by now.

Answer 5

automated teller machine.