Книга: BIG DATA. Вся технология в одной книге
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Jones, Charisse, “MasterCard Tries Out ‘Selfie Pay’ for Online Purchases”, USA Today, October 20, 2015, http://www.usatoday.com/story/money/personalfinance/2015/10/20 /mastercard-selfie-pay-online-purchases/72982264.
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