then he realized it had to be simple to get those songs and he realized he had to convince sony, warner musichers to put their music libraries into an itunes store in the simplest way. 99 cents you get a song. just that simple. and it took an intensity of just convincing musicians, convincing the record companies, and then making the ipod just so simple that it transformed how we listen to music and how we buy music. >> you wrote three biographies of men of genius, steve jobs, albert einstein, ben franklin. do you have a take away on all three men? what do these three men have in common? >> they're all very smart, but having been on, you know, a guest on your show i know you have a lot of smart people on your show and sometimes smart people don't amount to much. what really makes somebody amount to something is being creative and innovative. thinking a little bit differently. so what they all had in common, they were slightly rebellious, they were slightly misfits. they always questioned authority whether it's einstein questioning newton's thoughts or ben franklin being a run away from purita