Someone (I assume italianberry318) selected "once a day?" Wow. Someone (again, I assume italianberry318) needs to think before typing a bit more.
And no, I too don't believe there is a way to pull back that "oops, I shouldn't have sent that" message. Once sent, it's in the history books. Well, I suppose you could drive over to the recipient's place and smack the phone from their hands before they have a chance to read it. Might not be terribly efficient, though.
Semper Fi 3/2/2 "Wow" is now overused. Therefore, I will use "Magic bananas" instead.