Can Facebook really sway an election?

Have you deleted your Facebook yet? Last week alarm bells were ringing as we learned about the data Facebook has on us and what they can do with it.

We found out that a British marketing company used Facebook data to build personality profiles of its users. This marketing firm, Cambridge Analytica, would sell that personality profile to politicians like Donald Trump promising that this information could win votes.

But was that ever true? Can Facebook data swing elections? Bill Radke talks with Antonio Garcia Martinez, who helped Facebook figure out how user data can point ads at you.