friends are sharing or just photos or even just the pages of people that you follow. in austin, texas, it's a festival billed as the best in music, film and technology. laurie segall is there and got an interview with bill gates. i asked her earlier what he said. >> reporter: he was here to talk about education. he really believes that technology can disrupt education. i sat down with him and asked him what are your ideas. he had a lot of ideas about different technology in the school system. but specifically, i asked him about college. i said what does the future of college look like. listen to what he had to say to me. >> these large classes being there physically doesn't really add much value. i would guess that a decade out, there would be very few large lecture classes given and that