1200명의 선택, 수강 후기 확인하기

https://docs.google.com/presentation/d/e/2PACX-1vQOKA7QlEvcXOpoILbXp-8qVk_3ViOdVYl5YOErW5uvja3N1gh22pQkuzcgloX3l-tw9ypSIg78zzO6/pub?start=true&loop=true&delayms=10000