More than a decade ago, Amazon launched its Prime membership service with the promise of free two-day shipping. The unique offer helped attract millions of subscribers, shifted consumer expectations for shopping convenience and forced other large retailers to try to catch up.
원문출처 : https://www.cnn.com/2019/04/25/tech/amazon-prime-shipping/index.html
원문출처 : https://www.cnn.com/2019/04/25/tech/amazon-prime-shipping/index.html