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Question

Amplitude cohort Facebook sync - Low match using CUID + Device ID + email


Hi, Amplitude community :)

 

I’ve tried amplitude audience sync to Facebook ads (hourly).

About 210000 users were found and synced to Facebook, but only 2000 users were matched.

 

At Destination, I’ve linked Facebook account with Device id, External id(=user id), email, city.

But don’t know why it got these lower match rate.

Is it because of Facebook opted-in option?

Anyone who are with this problem, I’ll appreciate any help in this topic

 

Thanks,

Hyojin

 

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