Watch: Robot waiters are rolling into more restaurants amid labor shortages

Are robot waiters the future? It’s a question the restaurant industry is increasingly trying to answer.Many think the waist-high machines are the solution to restaurants’ labor shortages. They can greet guests, lead them to their tables, deliver food and drinks and ferry dirty dishes to the kitchen. Sales of robot servers have been growing rapidly in recent years, and tens of thousands of robots are now gliding through dining rooms worldwide.