Author: Justin Pot / Source: How-To Geek

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.
Here’s Mark Bergen and Jennifer Surane, writing for Bloomberg, breaking the story:
For the past year, select Google advertisers have had access to a potent new tool to track whether the ads they ran online led to a sale at a physical store in the U.
S. That insight came thanks in part to a stockpile of Mastercard transactions that Google paid for.But most of the two billion Mastercard…
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