There is this broad, broad recognition of how technology is enabling new things. Companies that never paid attention to computers in any form now see digital technology as creating threats and opportunities for them.

Our work in global health is about things like cutting childhood deaths, and every year we continue to make progress there.

A lot of people assume that creating software is purely a solitary activity where you sit in an office with the door closed all day and write lots of code.

If people want capital gains taxed more like the highest rate on income, that's a good discussion. Maybe that's the way to help close the deficit.

I've always been interested in science - one of my favourite books is James Watson's 'Molecular Biology of the Gene.'

Melinda [Gates] has been my partner in raising the kids and I went from before I met her, intentionally having an unbalanced life, to having a more balanced life with all sorts of fun things that she and I do together.

You may have heard of Black Friday and Cyber Monday. There's another day you might want to know about: Giving Tuesday. The idea is pretty straightforward. On the Tuesday after Thanksgiving, shoppers take a break from their gift-buying and donate what they can to charity.