Initially named “Sileme” (literally “Dead Yet?”), a Chinese safety app for solo dwellers has rebranded to Demumu amid controversies over its original name. Priced at 8 yuan, it alerts emergency contacts via email if users fail to check in for two days. Gaining BBC coverage, the app saw explosive overseas growth and now aims to bring its safety solutions to solo populations worldwide. (Photo/ China Youth Daily)

By Wang Xinyuan,Li Yue,Duan Yichen(intern), Fan Xing / China Youth Daily

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来源：中国青年报客户端