When you want to do your homework, fill out your tax return, or see all the choices for a trip you want to take, you need a full-size screen.

People who say they don't see the acceleration of innovation is a wilful blindness. We are innovation at a wonderful speed for the basic things we think everyone should get.

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.

That way you can be certain to learn something you didn't know previously.

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.

The future of Windows is to let the computer see, listen and even learn.

Whether it's Google or Apple or free software, we've got some fantastic competitors and it keeps us on our toes.