Detailed text transcripts for TV channel - KGO - 20121023:09:15:00
The like lie hood that you are a gun owner. the campaign can make sure when they're talking about gun rights they're sending it to people they think own a gun. >> reporter: not sending the same message to a person that does not own a gun. it is called micro targeting, says sasha eisenberg, the author of a new book, called "the victory lap." >> you can have theoretically a different conversation with every person on the block. >> reporter: to do that they have to figure out who you are and what is important to you. how do they do that? data. truckloads of it. in the modern world you are leaving...