Earlier quoted context omitted.
Didn't Obama's campaign hire Droga5 to do precisely the same sort of ad targeting that CA was involved in? Ultimately, it doesn't seem that CA did anything out of the norm for any marketing analytics company (from what I've read, correct me if I'm wrong).
Did you read the article? They paid several hundred thousand people via Mechanical Türk to download their poll app and then harvested 50M users data for political targeting.
But the point is, the methods CA used to influence voters weren't significantly different from Obama's 2012 campaign.