Floods are a major issue in Jakarta, with thousands of people forced to abandon their homes every year. The Jakarta provincial government developed a smart city platform which consists of (1) an issue–reporting app known as Qlue; (2) a flood map that crowdsources citizen flood reports from Twitter, called PetaJakarta; (3) and a crowdsourced traffic management tool based on Waze, Google’s navigation app. The platform was set up by researchers at the University of Wollongong in Australia in collaboration with the Jakarta Emergency Management Agency (BPBD). If a resident of Jakarta tweets the wordJakartaTwitter will send them a message asking for verification. If the person confirms they were trying to report a flood, the message will be geolocated on to the crowdsourced map.