The software is where the magic is. If you're going to have all this power be simple enough, appealing enough and cool enough, it's going to be because the software is right.

This is a fantastic time to be entering the business world, because business is going to change more in the next 10 years than it has in the last 50.

Technology must be implemented as part of a thoughtful, holistic approach to education transformation that includes teacher training, relevant curricula, parental involvement, and programs for children that fill unmet needs for basics like nutrition and health care.

I'll get to see many disease eradications. and we're seeing a lot of progress.

The most meaningful way to differentiate your company from your competition, is to do an outstanding job with information.

Bitcoin is mostly about anonymous transactions, and I don't think over time that's a good way to go. I'm a huge believe in digital currency... but doing it on an anonymous basis I think that leads to some abuses, so I'm not involved in Bitcoin.

I think philanthropy is also growing and catching on. Figuring out how the philanthropy sector, which is quite small compared to the private sector, which is the biggest by far, and then the governments, you know, even in these poor countries over time has to take on these key responsibilities. How does philanthropy accelerate that? Drive the kind of innovations, make sure they get used well. So it plays this kind of special role.