Detailed text transcripts for TV channel - CNN - 20170914:18:56:00
Account for who bought up the ads? >> well, it's a great question. the reason they can't account for who bought up the ads, brooke, is because they used a self-service ad buying system. what that means, advertisers come, they buy the adds on their own, they choose how they want those ads to be targeted and so facebook says, look, there was no communication between our sales team and those ad buyers, but one of the lingering questions here, certainly the frustration for the senate intelligence committee is, okay, well, why weren't there preventive tools in place to block this or to at least ale...
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