A visitor tries out somatosensory ordering services at the "future restaurant" on display at the China International Catering Expo at the China National Convention Center in Beijing, July 6, 2012. [Photo/Asianewsphoto]
A face-recognition intelligent menu system at the "future restaurant" on display at the China International Catering Expo at the China National Convention Center in Beijing, July 6, 2012. [Photo/Asianewsphoto]