Semi-autonomous flying things are already available to the general public and will continue to become more available. Yet our intuitive privacy settings, our security forces, and our sense of property all assume humans on the ground.
Let me posit this: Drones will make traditional fences as obsolete as gunpowder and cannons made city walls.
via Everyone Who Wants a Drone Will Have One Soon – Alexis C. Madrigal – The Atlantic.