Robbie:Do you ever worry letter writing will fall out of fashion?
Bobby: Isn't that what Hotmail is for?
Robbie: Well, can you take my "hotmail" to the mailbox?
Bobby: I will indulge your antiquated ritual.
Bobby: So I put the letter inside, then I move this little flag up?
Bobby: What is this? A magic trick?
Mailman: Precisely, my boy! Care to see how a stamp is made?