Oh no--I'm stuck at Rome airport with an important oral exam tomorrow (at Paris).
Nevertheless, I was lucky enough to have a little insight. Maybe everybody already knows, but you know the classic text message sound? bipbipbip beeep beeep bipbipbip. I wondered who would invent such a crap. After some thinking I came to the conclusion that it must be morse for S-M-S (compare S-O-S): ... -- ...
Cool, ain't it?!
I wish I would be as cool as the insight.
Keep your fingers crossed.