In 1991, I co-founded my first start-up, Ink Development, which made software for an early tablet computer.

In the early days of eBay, I articulated for the very first time this belief that people are basically good.

El desarrollo de software comparte con el deporte profesional la característica de lograr que los treintañeros se sientan decrépitos

Microfinance initiatives are very high-touch models. The loan officer meets with local groups of borrowers every week, they share tips and techniques. There's a lot of training and learning that goes on, which adds to the cost of the model.

In February of 1996, about six months after I created eBay, I started receiving a spate of complaints. Everyone was complaining about each other. I felt very much like I was a parent who had to adjudicate the brothers beating each other up.

I had always been interested in markets - specifically, the theory that in financial markets, goods will trade at a fair value only when everyone has access to the same information.