One Man, One Computer, 10 Million Students: How Khan Academy Is Reinventing Education @ Forbes.

The Khan Academy, which features 3,400 short instructional videos along with interactive quizzes and tools for teachers to chart student progress, is a nonprofit, boasting a mission of “a free world-class education for anyone anywhere.” There is no employee equity; there will be no IPO; funding comes from philanthropists, not venture capitalists.

“I could have started a for-profit, venture-backed business that has a good spirit, and I think there are many of them–Google for instance,” says Khan, his eyes dancing below his self-described unibrow. “Maybe I could reach a billion people. That is high impact, but what happens in 50 years?”