[FT]マスターカード、取引データを広告主に販売 – 日本経済新聞
[FT]マスターカード、取引データを広告主に販売 日本経済新聞 クレジットカード大手の米マスターカードによる取引データ分析事業が、賛否両論を呼んでいる。 □数十億件の取引 ... 方法を模索している。米ビザは小売業者が過去のクレジットカード取引をもとに、広告配信に同意している消費者にメール送信ができるサービスを提供している。 |
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