クレジットカードで費用対効果を丸裸にするグルーポン系Bloomspot – AdverTimes（アドタイ）
クレジットカードで費用対効果を丸裸にするグルーポン系Bloomspot AdverTimes（アドタイ） 投資家が、Bloomspotのクレジットカードを使ったユニークな仕組みです。Bloomspotは、利用客と店舗の両方に許諾を取って、利用客のクレジットカードの利用状況を分析します。 例えば、利用客1（Customer1）は、6月8日に初来店したときに、クーポン代50ドルの他に231ドル51 ... |
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