This is an important distinction, as it would seem to suggest the Russians didn't upload target voter universes.https://twitter.com/kantrowitz/status/915699561842089985 …
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they could discover and target susceptible voters in key geographies much more efficiently through native Facebook tools.
Native facebook tools would not ID reg v unreg, nor likely vs unlikely voters, nor message responsiveness to narrow campaign messages.
Leveraging the wealth of understanding of voters w/ offline data (persuasion/support models) to target online, as w/ most campaign digital $
that's efficient on the front end, but a lot of work on the backend. In their shoes, I wouldn't bother.
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