Fermi's paradox is relevant: http://waitbutwhy.com/2014/05/fermi-paradox.html http://waitbutwhy.com/2014/05/fermi-paradox.html Maybe Bostrom's option 1 happens

Fermi's paradox is relevant: http://waitbutwhy.com/2014/05/fermi-paradox.html http://waitbutwhy.com/2014/05/fermi-paradox.html Maybe Bostrom's option 1 happens due to the Great Filter...