For much of this year I’ve been fascinated with Chinese technology companies. This first started when I saw MyIdol, a quirky Chinese app for building funny avatars, made it into the top ranks of the US app store, without being localized. In other words, an app with no English instructions, menus, or content was so compelling that everyone from Miley Cyrus to John Mayer was talking about it and using it. In the past couple of months, there has been much more interest in WeChat as a platform,...