How robots are helping address the fast-food labor shortageStruggling to find workers and eager to relieve staff from boring, repetitive tasks, fast-food restaurant chains are adding robots to their kitchens.Using artificial intelligence, computer vision technology and a mechanical arm, Miso Robotics' Flippy 2 has been deployed to Chipotle, White Castle and Wing Zone.Automation could save U.S. fast-food restaurants more than $12 billion in annual wages, the group said.Other companies in the space include Picnic, whose pizza station can make up to 130 oven-ready pizzas per hour, and Autec, with a line of sushi robots.So what impact will robots have on the fast-food industry and the livelihood of its workers?"