Google and Mastercard Cut a Secret Ad Deal to Track Retail Sales (bloombergquint.com) 20 points by radicaldreamer 7y ago ↗ HN
[–] LeifCarrotson 7y ago ↗ Previous discussion of the same article on Bloomberg's main site: https://news.ycombinator.com/item?id=17881157
[–] Kyro38 7y ago ↗ previous discussion from 3 days ago : https://news.ycombinator.com/item?id=17881157
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