(CNN) Marco Rubio hopes to sway voters interested in Chick-fil-A, Ram trucks, and Duck Dynasty. "Political campaigns are using that to their advantage." Rogan, a controversial figure who's popular on the right, attracted more attention from campaigns targeting Facebook ads than any other interest topic in the period analyzed by CNN. The targeting data shows a wide variety of approaches. But most people likely have no idea that they're seeing certain political ads because of their interests in a band or TV show, Woolley noted.

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