. >> host: daniel crease, university of north carolina at chapel hill. his first book, taking our country back from howard dean to barack obama. his newest book, "prototype politics," technology, intensive campaigning and the data of democracy. professor crease, has the digital portion of the campaign into the larger organization or still a separate unit? >> guest: this is something campaigns struggled with history, where does digital sit in a contrary campaign? i think one of the things you see when you look at history, a broader evolution of moving digital away from being a department, really in the service in mass media communications to now being part of campaigns that really touch every other aspect of a campaign's operation. so, when you think about what digital does, digital plays a role in field campaigning. when you to to sign up to volunteer for a campaign online, one of the things you will want to do, figure out how do all the people signing up for campaign online, get to the field operation in a way they're being useful for us, whether on the