Measles will always show you if someone isn't doing a good job on vaccinations. Kids will start dying of measles.

I've always been amazed by Da Vinci, because he worked out science on his own. He would work by drawing things and writing down his ideas. Of course, he designed all sorts of flying machines way before you could actually build something like that.

Strategically, a major function of the CEO is to look for bad news and encourage the organization to respond to it. Employees must be encouraged to share bad news as much as good news.

You might say, well, aren't people saying that about wind and solar today? Not really. Only in the super-narrow sense that the capital costs per output, when the wind is blowing, is slightly lower.

I'm going to save my public voice largely for the issues where I have some depth.

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

That it's a worldwide thing that families are better off.