• Potatar@lemmy.world
    3·
    3 个月前

    Were carrier pigeons not successful? Just because something is discontinued, doesn’t mean it was not successful for its time when it was deployed?

    • underisk@lemmy.ml
      1·
      3 个月前

      Carrier pigeons aren’t trained to establish a safe society for humanity. So if they get destroyed they haven’t failed at their primary objective. Governments, though…