Masahiko Yoshida, owner of a karaoke bar, interacts with Pepper the humanoid robot, manufactured by SoftBank Group Corp., at his bar in Yokohama, Japan, on Tuesday, Oct. 20, 2015. Robots are everywhere. There are already 1.6 million of them, an army of disembodied limbs working in our factories to make everything from cars to pancakes. Now billionaire Masayoshi Son, chairman and chief executive officer of SoftBank, wants to bring robots into our homes. Photographer: Tomohiro Ohsumi/Bloomberg via Getty Images