YIWU, CHINA - MAY 18:  (CHINA OUT) A couple of robot waiters deliver meals for customers at robot-themed restaurant on May 18, 2015 in Yiwu, Zhejiang province of China. Sophomore Xu Jinjin in 22 years old from Hospitality Management of Yiwu Industrial and Commercial College managed a restaurant where a pair of robot acted as waiters. The 'male' one was named 'Little Blue' (for in blue color) and the 'female' one was 'Little Peach' (for in pink) and they could help order meals and then delivered them to customers along the magnetic track and said: 'Here're your meals, please enjoy'. According to Xu Jinjin, They had contacted with the designer to present more robot waiters to make the restaurant a real one that depends completely on robots.  (Photo by VCG via Getty Images)