Google now knows how your shopping habits in the "real world" correspond with the ads you interact with online. The advertising giant is teaming up with credit and debit card companies to "match up in-store purchases with your online identity," CNN reports.
The credit card companies provide Google with encrypted information about purchases, which Google software then compares to Google profiles of people who viewed relevant ads. Google cannot actually see any of the encrypted data, so it does not have access to identifiable payment information, like the person's name or what they bought.The matches are tallied up in aggregate to protect privacy. That means Google can tell a restaurant their ads resulted in 1,000 people going there to eat and how much they spent, but not share any personal information about individual diners. [CNN]
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