in reply to Pack/Unpack Tutorial (aka How the System Stores Data)
For a Spanish translation, please see Spanish translation of pack/unpack tutorial, by Hue-Bond.
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 (462 votes). Check out past polls.