We are in the throes of a transition where every publication has to think of their digital strategy.

I have been struck again and again by how important measurement is to improving the human condition.

Unfortunately, the highly curious student is a small percentage of the kids.

The trick generally is to break programs into pieces and have those pieces be individually testable and so then when you move on to the other pieces you treat it as a black box knowing that it either works or doesn't work.

Now, we put out a lot of carbon dioxide every year, over 26 billion tons. For each American, it's about 20 tons. For people in poor countries, it's less than one ton. It's an average of about five tons for everyone on the planet. And, somehow, we have to make changes that will bring that down to zero.

I like the idea of putting your Christmas wish list up and letting people share it.

Like any well designed software product, Windows is designed, developed and tested as an integrated whole.