on how harvard's innovation labs are helping students, we are joined by the managing director, jodi goldstein just hearing about drones. you've had 800 incubated here under your tenure. what areas of this -- of specialization? jodi: the theme is diversity and breadth of ideas. up withventures coming new and novel ways to solve big problems in the world. caroline: let's talk about the diversity of that. where are your students building these businesses coming from? are they largely u.s. based? jodi: we are so fortunate to have the best and the brightest coming from all over the world to attend harvard. we support all 13 harvard schools. students are coming together to the ilab to collaborate. we nurture and support innovation. caroline: it's interesting that some of your better known alumni , mark zuckerberg, bill gates, dropped out the guys they had such good ideas. is this almost a way -- dropped out because they had such good ideas. is this almost a way to -- jodi: our reason to exist is to support and nurture innovation. a natural, happy byproduct is that students no longer need to drop ou