Come to YAPC::Europe 2003 in Paris, 23-25 July 2003.
That way, they can avoid the whole GNU/Parrot debate :)
There is no Extraterrestrial life
There aren't any suitably capable Extraterrestrials
Interstellar travel is too difficult
We're too uncool / not worth the trouble
What do you mean they haven't visited?
Results (524 votes). Check out past polls.