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People use post-its usually when they need to memo short information in school or an office. However,
it is easy to forget when people wrote the memo and sometimes forgetting when they wrote the memo
might result in a critical problem. To improve the quality of leaving a memo, push-activated post it dispenser will record the time with clockwise operated dot. It is simple and easy to read.
Suwon, South Korea
Lee Hyun Hoo,
Bang Sei Young,