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The problem is that these lookalike models are constantly being re-trained to build an accurate profile that advertisers can then target. If you clear your his
by smallgovt 8y ago
The problem is that these lookalike models are constantly being re-trained to build an accurate profile that advertisers can then target. If you clear your history, the data that is used to train these models no longer exist. OC is saying FB needs time to adjust their models for a potential mass deletion of input data.