Are robot waiters the future Some restaurants think so

MADISON HEIGHTS, Mich. (AP) – You may have already seen them in restaurants: waist-high machines that can greet guests, lead them to their tables, deliver food and drinks and ferry dirty dishes to the kitchen. Some have cat-like faces and even purr when you scratch their heads. But are robot waiters the future? It´s a question the restaurant industry is increasingly trying to answer. Many think robot waiters are the solution to the industry´s labor shortages. Sales of them have been growing rapidly in recent years, with tens of thousands now gliding through dining rooms worldwide. “There´s no doubt in…