Robots are already being used in certain restaurants to take orders and server customers. This video from New China TV shows a bunch of cute new robot waiters that can serve customers their food fast. People can order their food online or by scanning the QR code on the table.
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When the dish is prepared, a robot waiter carries it to the customer in about 40 seconds. It has a camera underneath to read QR codes and move along a pre-defined path.
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