Relay is waist-high. It has mood lighting, touch screens, and chirps as it wheels along hotel hallways, delivering Cheetos,  Kraft Mac and Cheese, and hairspray to guests. There are only a handful of Relays deployed in several Silicon Valley hotels right now. But Intel Corp., which invested in the robot’s maker, Savioke Inc., thinks the future will be full of … Continue reading Room Service, From a Robot: The Robots are Coming, With Cheetos