What Are The Rules For Robots Delivering Food?

A fleet of 25 robots started delivering Blaze custom pizzas, Starbucks lattes and Dunkin' Donuts pastries to students at George Mason University's Fairfax, Va., campus last week. But their quiet presence on campus raised an interesting question: What are the rules for robots delivering food? It turns out those guidelines, mostly involving safety and customer service, are largely unwritten. But that hasn't stopped the experts from thinking about them. Did you say robots delivering food?