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A comment on Apple will attempt to jam Facebook's web-tracking tools. Parent comment

Re:Apple will attempt to jam Facebook's web-tracking tools by hknd on Tuesday June 05, 2018 @09:45AM (#17237503)
This is because ads are never targeted to you directly, but to buckets (audience segments).

If you buy something, you might land in one of those buckets. Advertiser can buy impressions to those buckets. The buckets are not refreshed on a daily basis (depending on the audience provider), and therefor can contain stale data.

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Re:Apple will attempt to jam Facebook's web-tracking tools by bruceboughton on Wednesday June 06, 2018 @06:58AM (#17245989)
I believe the GP is talking about the trend of adverts for the exact product you just viewed/bought on the exact store following you around the Internet for a few days.

e.g. you bought a blue striped t-shirt from H&M and it is continually advertised to you by H&M for a few days.

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