A tourist borrows a portable power pack with a mobile phone app in Wuzhen, east China's Zhejiang Province, Nov. 7, 2016. The third World Internet Conference will be held in Wuzhen from Nov. 16 to 18. 

Photo taken on Nov. 7, 2016 shows Wuzhen Internet International Conference and Exhibition Center in Wuzhen, east China's Zhejiang Province, Nov. 7, 2016. The third World Internet Conference will be held in Wuzhen from Nov. 16 to 18. 

A tourist borrows an umbrella with a mobile phone app in Wuzhen, east China's Zhejiang Province, Nov. 7, 2016. The third World Internet Conference will be held in Wuzhen from Nov. 16 to 18.

A tourist pays her bill with a mobile phone app in Wuzhen, east China's Zhejiang Province, Nov. 7, 2016. The third World Internet Conference will be held in Wuzhen from Nov. 16 to 18.

A tourist takes an order with a mobile phone app at a restaurant in Wuzhen, east China's Zhejiang Province, Nov. 7, 2016. The third World Internet Conference will be held in Wuzhen from Nov. 16 to 18.