RT @grittygrease: Facebook lets you know which advertisers uploaded a contact list with your info.
The next time you see an ad, follow thi…
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Facebook lets you know which advertisers uploaded a contact list with your info.
The next time you see an ad, follow this sequence:
Why am I seeing this ad->
Manage your ad preferences->
Advertisers->
Advertisers who uploaded a contact list with your infoHow big is your list?
— Nick Sullivan (@grittygrease) January 24, 2019