I kept carrying a thumb drive around and emailing myself files and all the things that we used to have to do. Houston: It was really out of personal frustration. But your application for Y Combinator could have gone better, right? You didn't totally impress Paul Graham with the first go-around? And one of the legendary stories is Dropbox being one of the huge companies that rose from this startup incubator. It's this big startup-accelerator program that was cofounded by Paul Graham, who's this legend in Silicon Valley.

Shontell: But it seems like things really picked up for you once you graduate and you apply to something called Y Combinator, which, if you follow the tech world, you've probably heard of. The SAT itself was changing from being out of 1600 points to 2400, and all the courses would basically have to start over, given that the test had changed.

I had started my first company when I was 21, so my junior year I took a year off and - or I took a leave from school and teamed up with a former teacher of mine from high school. They can get you into school, and then they can be a reason to start an SAT-prep company. Houston: Yeah, that's one thing that SAT scores can do, I guess. Shontell: And so naturally, you started a test-prep company when you were in college, among other things. Account icon An icon in the shape of a person's head and shoulders.

Dropbox ceo