Humans may face a singular concern when it comes to robot employment The Japan Times

The trouble with machines is, they do things better than we do. "Give me a place to stand and I will move the Earth," said the third-century B.C. Greek inventor Archimedes, lever in hand. The Earth has been moving ever since, ever faster. Still, from his time to ours, through mechanical evolutions and technological revolutions, a machine remained a machine. Lever or electric vacuum cleaner, inclined plane or automobile -- or personal computer or smartphone, for that matter -- humans commanded, machines obeyed.