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정보 바로가기 : Korea’s first smart crosswalk helps students go to school safely
Korea’s first smart crosswalk helps students go to school safely[카테고리 설정이 아직되어 있지 않습니다.]
When a student who installed the app approaches the crosswalk (within 1 meter), a notification pops up for 10 to 30 seconds on their smartphone and automatically blocks the screen. Then students...
