The Fermi Paradox Is Our Business Model
"The Fermi Paradox Is Our Business Model" is a science fiction short story by Charlie Jane Anders. It was first published in the online magazine Tor.com August 11, 2010.
Fermi paradox
Physiology might also cause a communication barrier. Carl Sagan speculated that an alien species might have a thought process orders of magnitude slower (or faster) than ours. A message broadcast by that species might well seem like random background noise to us, and therefore go undetected.