There's only one trick in software, and that is using a piece of software that's already been written.

If somebody is working on a new medicine, computer science helps us model those things. We have a whole group here in Seattle called the Institute for Disease Modelling that is a mix of computer science and math-type people, and the progress we're making in polio or plans for malaria or really driven by their deep insights.

The US spends more on energy R&D than all other countries put together, and I personally consider it quite inadequate.

Everyone knows about Black Friday and Cyber Monday. Now help me spread the word about Giving Tuesday!

Kenya’s M-Pesa proves that when people are empowered, they will use digital tech to innovate on their own behalf.

(On being the world's richest man) I wish I wasn't ... There's nothing good that comes out of that. You get more visibility as a result of it.

Eventually we'll be able to sequence the human genome and replicate how nature did intelligence in a carbon-based system.