Google、Mastercardからクレジットカード利用統計情報を購入 – 財経新聞
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Google、Mastercardからクレジットカード利用統計情報を購入
財経新聞 GoogleがMastercardに金銭を支払ってMastercardの利用状況データを購入していたとBloombergが報じている（TechCrunch）。 Mastercardが提供しているデータはいわゆる「匿名化」が行われているようだが、この情報を使うことでGoogleの広告を見た顧客が非オンラインで … |
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