フォースクエアとアメックスが提携。"a national deal with American Express to offer discounts to cardholders when they check in on their cellphone at certain shops and restaurants"
When the New York start-up Foursquare Labs made its debut in 2009, it quickly began popularizing the idea of “checking in,” or using a cellphone application to tell friends that you are at a partic...
フォースクエアとアメックスが提携。"a national deal with American Express to offer discounts to cardholders when they check in on their cellphone at certain shops and restaurants"
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A Start-Up Matures, Working With AmEx (Published 2011)
When the New York start-up Foursquare Labs made its debut in 2009, it quickly began popularizing the idea of “checking in,” or using a cellphone application to tell friends that you are at a partic...
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