Or how about this: find out that somebody's out there, but not evolved enough to be listening? This I find likely. Fixes Fermi paradox too, since this doesn't a

Or how about this: find out that somebody's out there, but not evolved enough to be listening? This I find likely. Fixes Fermi paradox too, since this doesn't assume high probability of random life on some planet evolving as far as we did in those billions of years.