A man tries out a virtual reality device at the Light of the Internet Expo in Wuzhen, Zhejiang province, Dec 14, 2015. [Photo by Wang Chengmeng/chinadaily.com.cn]

Virtual reality

Virtual reality or virtual realities (VR) replicates an environment that simulates a physical presence in places in the real world or an imagined world, allowing the user to interact in that world. Virtual realities artificially create sensory experiences, which can include sight, hearing, touch and smell.

At the Light of the Internet Expo held in Wuzhen, many companies showed off their application of virtual reality.

Nokia exhibited a virtual reality camera that can catch audio and video in full 360 degrees. Audience can watch a sports game with a 360-degree view.

Retail giant Suning installed a virtual fitting room. It enables shoppers to try on clothes to check one or more of size, fit or style, but virtually rather than physically.