#BBCtrending: Using Google Maps to track racism in JapanClose Activists in Japan are using a novel way to tackle racism. They're using Google Maps to pinpoint xenophobic graffiti in Shin-Okubo, a part of Tokyo with a large ethnic Korean community. As we reported on our radio programme, Google Maps is being used to highlight the rise of the "netouyo" or online nationalists. Anne-Marie Tomchak, exte