Daphne Koller

Not everything that happens in an in-person classroom is currently replicated with an online course, and perhaps the experience will never be the quite the same. But there are new opportunities that online learning opens up that would have never been possible without this technology.

Online education, then, can serve two goals. For students lucky enough to have access to great teachers, blended learning can mean even better outcomes at the same or lower cost. And for the millions here and abroad who lack access to good, in-person education, online learning can open doors that would otherwise remain closed.

You make your first album, you make some money, and you feel like you still have to show face, like 'I still go to the projects.' I'm like, why? Your job is to inspire people from your neighborhood to get out. You grew up there. What makes you think it's so cool?