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The South Korean capital of Seoul has been named by the IESE as the seventh best smart city in the world . In March , the Seoul Metropolitan Government announced that it will install 50,000 Internet of Things ( IoT ) smart sensors throughout the capital by 2020 to collect information on fine dust , traffic and other issues related to citizens ’ lives , according to reports by Yonhap News Agency . Additionally , this year , the city also plans to introduce a shared parking service which uses IoT sensors to allow citizens check the availability of public parking . JUNE 2019