Skype actually does get a fair bit of revenue.

The world is not flat, and PCs are not, in the hierarchy of human needs, in the first five rungs.

Africa is on the rise.

I like to read general biology - things about the immune system and advances in that area - because it lays the foundation for my part of the dialogue at the foundation about what things we ought to pursue.

Finding information is either a software question or a question of how much information is online.

The belief that the world is getting worse, that we can't solve extreme poverty and disease, isn't just mistaken. It is harmful.

Steve Jobs' ability to focus in on a few things that count, get people who get user interface right, and market things as revolutionary are amazing things.