<p>regular mail, via the US Postal Service. The kind of stuff that comes in your physical mailbox, as opposed to email/anything electronic.</p>
<p>haha for some reason I just got the mental image of USC sending out acceptances in Morse code.
-.-. — -. --. .-. .- - …- .-… .- - … — … -.-.–
oy vey that would be much too difficult for me!</p>