. >> our goal is that with khan academy alone, if there's a student in calcutta, maybe the internet connection, that's a gating factor but if they're there, they can get a pretty solid grounding in a lot of different subject areas especially ones that are meaningful to them that they can use to progress. but we think it can be the operating system what can happen in the classroom to really liberate what happens inside of the classroom. >> how many of them do you do yourself? >> i produced all the videos. >> charlie: that's what i thought. >> i'm the faculty. >> charlie: you are the faculty. >> my meetings are non-bureaucratic. >> charlie: that's assume you're interested in napoleon and the french revolution. how do you prepare. what's the process going from i'm curious about napoleon to this is what i have to teach you. this is your access to understand this moment in history. >> yes. once again i approach it from what my brain would like to see. like for history, i immerse myself in as much as possible. i usually read the wikipedia entry first. >> charlie: i go f the scaffold myself. i want t