Detailed text transcripts for TV channel - CNN - 20100311:19:32:00
Walking down the street and having an electronic billboard to change the ad to fix your demographic. some call it big brother, and others think it is a technological breakthrough. kyung lah has more on this. >> reporter: in the world of advertising, you look at ads, but soon, they'll be watching you. it is a future imaginative in the movie "minority report" and images capture tom cruise's face, and character ads pop up. that future is now. this billboard sees you, scans your face, and then pulls up an ad that you will like. here is how this works. when you walk up to the ad. a camera captures ...
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