Google’s Ad Tracking Knows Every Mastercard Purchase You Make, Online or Off

Google tracks Mastercard purchases to see if online advertisements prompt real-world sales. The deal is worth millions of dollars, with Mastercard basically selling customer data to Google.

from How-To Geek https://www.howtogeek.com/fyi/googles-ad-tracking-knows-every-mastercard-purchase-you-make-online-or-off/
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