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시럽은 초음파를 활용하여 (사람이 들을 수 없는 고주파) 간편하게 쿠폰적립을 할 수 있는 서비스입니다. Syrup is a novel service for collecting stamps from various place such as coffeeshops, restaurants, and any place giving out stamps to their customers. It is using ultrasound to send out a stamp which an iPhone can catch in short distance. We are open to any business suggestion. Contact: h.yang@perples.com |
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| Time: 00:21 | More in Science & Technology |
Syrup – 초음파를 이용한 쿠폰 적립 서비스 (Coupon service using ultrasound recognition)
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