• Journal of Digital Convergence
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• v.18 no.1
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• pp.265-270
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• 2020

The purpose of this study is to suggest ways to reduce plastic use, one of the main culprits of environmental pollution around the world. Recently, the use of disposable cups at a domestic cafe has not been effective due to growing the number of stores and cafe in various brands. Cafes recommend the use of tumblers as a solution to the problem, but actual there are not many users in cafe. I need to investigate the problems of tumbler use and individual opinions through the first phase is FGI (Focus Group Interview). In the second phase, I investigate similar services, which are currently implemented in domestic and overseas, as a case study. The results showed that although similar services are offered in domestic, the focus is on tumbler sharing, which is somewhat insufficient for convenience provided when using cafes. Through this study, I hope to provide convenience and voluntary environmental protection by proposing a plan to activate Tumbler sharing services for cafe and users.