kind of disruption and innovation, sal khan, was here a couple of years ago, to talk about his khan academy, which of course is an online learning opportunity for people. it's, you know, started as youtube videos that he did for his family members and has now expanded into x number of countries. again that's a case where you're providing to people in their own homes, without the entities, - right. - providing it. this access to information and knowledge that they otherwise would not have had. but from a school standpoint, where's the benefit to this? is it foreseeing them to think well now there's all of a sudden this competition offline from the way the traditional model is operated, is that what? - well i think what sal has done, a lot of other people have done, in terms of trying to take learning and make it more convenient, make it more - democratizing. - democratize it, put it in the cloud, as they say, is terrific. but most kids, are still going to learn in classrooms. and so how do you take some of the benefits that technology and help the teachers figure out better ways to teach. no