TechCrunch -
1 Oct 2012 23:21

Show someone a Facebook ad once and they'll forget, 100 times and they'll be annoyed. So Facebook is going to use offline purchase data to help businesses increase ROI up to 40% by showing them the "sweetspot" of ad frequency, it announced today at New York's Advertising Week. Privacy fears flared recently when the Financial Times revealed Facebook was working with in-store purchase tracker Datalogix. Facebook has since reassured users their personal data is only shared securely and they can opt...
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