I'm quite worried about the fiscal imbalances that we've got and what that might mean in terms of financial crisis ahead.

The most important thing was the creation of a... a standard, where hundreds of companies build hardware that can all run the same software.

It's the knowledge derived from information that gives you a competitive edge.

The phenomenal generosity of the United States in its aid budget towards health issues is the best in the world. You can look at that broadly, you can look at it in terms of HIV, the PEPFAR money which came together in a Republican administration with bipartisan support.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

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.

The truth of Moore's law has made remarkable things possible. On the software side, I think natural user interfaces in all their forms are equally significant.