#SEAblings – short for “Southeast Asian siblings” – has increasingly been used by young Southeast Asians to signal regional solidarity, be it over a controversial concert or a political event. Whether such moments are fleeting or have the potential to morph into a sustainable movement is a subject of debate. The hashtag’s latest surge followed a dispute over camera rules at a K-pop rock concert in Kuala Lumpur, which escalated into a much wider online clash. For some sociologists, the question.....