When most people hit failure, they give up, but good entrepreneurs simply treat failure as a learning experience and use it to fuel and inform their next move.

Readers can read what they want and easily switch to other books, so we're seeing a lot of reading behaviors. Some verticals attract different usage than others. We can spot reading patterns.

I'm not sure I'd go back and do anything over in my life. I've definitely had my fair share of failures and moments where I wasted my time or that of other people, but if I did those moments over, I'd have missed out on so many lessons.

Books is our main type of content, but we include user-generated content and will include other verticals such as scientific papers, sheet music, and comic books.

The more you learn, the more you realize how much there is to learn.

We actually determine whether the book is read and make payments to the publisher based on that.