pandora is getting better and smarter about knowing their users. political advertising is going to be huge in the future, carol. >> so it has to be more than just geographic c just geographical and by your zip code. don't they have a quiz you can take? >> you put in your zip code. they understand. you can take a quiz. there are all types of quizes that you can look at. what they have been able to find, i think this is pretty interesting. my musical taste is all over the place. let me just go through some of what they found and what your political affiliation means based on what you listen to. according to pandora, if you listen to mary j. blige ands the late bob marley, you tend to vote democratic. if you listen to yanni, the greek pianist, you tend to vote republican. jay-z and bruce springsteen, cross-over appeal. they couldn't peg those folks who listen to them. if you listen to dolly parton