some people tended to like likeark, 10 -- tend to posts more, and some tend to post more. shira: do we have any data on the gender divide? mr. volpe: it depends upon subject. we are looking at sports and other events, but we should stay tuned for that. moderator: nicholas, you have done work on how technology changes our perception. i always remember the lesson from my grade school class, the richard nixon and john f. kennedy debates. right? that was the debate where people thought of they listened on the radio that nick's and one, if they watch and on tv, john f. kennedy, because he was so handsome, he won. it was the symbol of the movement of politics to a more superficial way. are we going through one of those transitions right now? would you say it is a transition to becoming more superficial politics, is this kind of an historical progression? nicholas: i think it is part of a historical progression. i think it is a transition. i would argue that what we're seeing this year is that a third big media shift in elections and campaigning. first came radio, which hit the p