Advertisers seeing dwindling results with Facebook’s 1% Lookalike Audiences

Facebook’s Lookalike Audiences have long been a favorite ad targeting tool for advertisers, allowing marketers to use Custom Audience lists to find like-minded users on the platform. Advertisers can select their Lookalike Audience size from 1% to 10% — the smaller the audience size, the more closely the results will match the source list.
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