Alibaba Group announced a new cloud-based solution to help Olympic Games Tokyo 2020 onsite staff reduce the risk of getting heatstroke during the summer in Tokyo. Through an intelligent ear-worn device, the technology helps keep track of the body temperature and heart rate of the Olympic onsite staff in Tokyo. Based on the body temperature, heart rate and the environment index, a cloud-based system will identify the level of heatstroke risk in real time for individual working staff. Alerts will then be sent to those being exposed to a high level of risk along with recommended precautionary measures – such as drinking more water – to reduce the chances of getting heatstroke. The heat index in the surrounding environment including temperature, humidity and direct or radiant sunlight will be monitored through multiple heat stress WBGT (Wet Bulb Globe Temperature) meters set up at 14 Olympic competition venues.