Detailed text transcripts for TV channel - CNN - 20180411:05:55:00
>> reporter: from there, it can track everything you bought online, get your home address, and because aggregate i.q. was in possession of the republican data on u.s. voters, could determine your voter registration history. combined with facebook data, he says it's a blueprint into how you think. >> we know all this about you. what do we think we should target you with to engage you? how can we get you interested in downloading the app or get you interested if liking posts by ted cruz? >> reporter: it sounds genius and frightening. >> it is pretty genius and fairly frightening, yes. >> reporte...