Serve Robotics, the sidewalk-delivery company that spun out of Uber, has added Grubhub to its roster of partners, a move that quietly turns it into something close to the neutral plumbing of America’s food-delivery robot business. Through a deal with Wonder, Grubhub’s parent, Serve’s cooler-sized bots will start carrying takeaway orders placed on the Grubhub […] This story continues at The Next Web