Today, you always know whether you are on the Internet or on your PC's hard drive. Tomorrow, you will not care and may not even know.

Our current expectations for what our students should learn in school were set fifty years ago to meet the needs of an economy based on manufacturing and agriculture. We now have an economy based on knowledge and technology.

Who decides what's in Windows? The customers who buy it.

Students deserve great teachers. And teachers deserve the support they need to become great.

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

Contraception really shouldn't be all that controversial because it's a tool a woman can use to delay her first birth until she's, say, 18 or 19 years old.

The billion people who wake up every day trying to figure out if they have enough food to eat won't be at Davos.