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calebcuster

calebcuster on Hacker News

Re:Ask HN: How does Facebook know what I buy on Amazon or vice versa? on Monday August 28, 2017 @05:01PM (#15120033)
If you want to know what advertisers are retargeting you, you might want to check: http://whoisretargeting.me It can be enlightening. You can also opt out of a lot of it here: https://www.facebook.com/help/568137493302217