China has a shining example that Snapchat should watch

The flow of innovation often from from the US to China, but in the case of their Snapchat brother, the innovation show flow in reverse.

American messaging services could learn a thing or two from WeChat.

The mobile-focused app is massively popular in China and spreading quickly abroad; of the 270-million-plus regular users of the service, about a quarter of those are outside of mainland China.