아마존, 이번엔 ‘디지털 월렛’이다 - WSJ Korea - WSJ

http://kr.wsj.com/posts/2014/07/25/%EC%95%84%EB%A7%88%EC%A1%B4-%EC%9D%B4%EB%B2%88%EC%97%94-%EB%94%94%EC%A7%80%ED%84%B8-%EC%9B%94%EB%A0%9B%EC%9D%B4%EB%8B%A4/

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