LINE is a Japanese instant messenger app, produced by the eponymous corporation. In Asia, the most popular instant messenger apps have evolved to become platforms in their own right. On these, users can play games, send money, shop and much more. WeChat in China is perhaps the most prominent and diverse example. Across the Sea of Japan, LINE offers a similar service. The app was originally developed as an emergency solution for company (then known as NHN Japan) employees during the Tōhoku e...