An exhibitor displays a hydraulically assisted driving simulator at the Light of the Internet Expo in Wuzhen, Zhejiang province, on Nov 15.

Models of driverless cars are guided around a display at the expo.

A visitor communicates with robot at the expo.

The latest in payment technology is displayed at the expo. Visitors are able to scan their own faces in order to identify themselves to authorize payments.

Many smart robots are on display at the expo, providing fun interaction opportunities to guests.

A Baidu driverless car, which is guided by a global positioning system as well as technology designed to recognize and react to outside stimuli, such as traffic lights and pedestrians, impresses visitors to the expo.

A visitor admires "Baidu Brain", an artificial intelligence system which consists of three parts - artificial intelligence algorithms, computing power, and big data.