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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Ah. That seems .. pointless to me. I don't know why they would do that, given all the risk, and much easier tools that Facebook provides.
The point would be efficiency/efficacy. If you assume <5% of total pop movable by messaging, and the campaign has modeled that 5%...
That’s the point, in part - different priors about how many are movable by messaging
Yes, lookalikes will get people who interact with your message, but you're most likely just preaching to the converted at that point.
You're creating a narrative on that converted group, who will then socialize with their broader universe. that's why Facebook is powerful.
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