in reply to Encrypting an executable with pp
To add to tobyink's response, you can check out the FAQs from http://par.perl.org/. The 4th question listed there is "Can PAR completely hide my source code?".
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 (562 votes). Check out past polls.