We all learn best in our own ways. Some people do better studying one subject at a time, while some do better studying three things at once. Some people do best studying in structured, linear way, while others do best jumping around, surrounding a subject rather than traversing it. Some people prefer to learn by manipulating models, and others by reading.

The tablet is not mainstream. Reading off the screen is not mainstream.

I am super lucky. I've been in the area where things have been changing and been part of the digital revolution, the magic of software, the internet, the computer, and now the cellphone... so it's been a great privilege.

Innovations that are guided by smallholder farmers, adapted to local circumstances, and sustainable for the economy and environment will be necessary to ensure food security in the future.

At every juncture, advanced tools have been the key to a new wave of applications, and each wave of applications has been key to driving computing to the next level.

Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.

No one person controls Microsoft. The board and the shareholders decide whether they want to have me as CEO.