3D Caught in sharp focus

The beauty of virtual reality is that it helps you imagine a better world even if you don't know how to achieve it, says the head of French software firm Dassault Systemes

When Bernard Charles lands in Beijing, one of the first things he does is to open his WeChat account.

The chief executive officer of software company Dassault Systemes started using the Chinese social networking app last year. Since then, his Chinese "contact" list has expanded rapidly.