A robot waiter cycles past customers at a robot restaurant in Jinan, Shandong province December 21, 2010.

China’s Robot Waiters: No Tipping Necessary

A restaurant that opened this month in the eastern Chinese province of Shandong uses robots for waiters, boosting efficiency and providing further proof that human beings are superfluous. Machines don’t grumble over tips. And they can’t spit in your food.