Digital technology has several features that can make it much easier for teachers to pay special attention to all their students.

We'll have infinite bandwidth in a decade's time.

Training the workforce of tomorrow with today's high schools is like trying to teach kids about today's computers on a 50-year-old mainframe.

Good programmers stay open minded to that even though there is no obvious way to improve what they've done they... they keep looking and they listen to what other people have to say.

So it's an absolute lie that has killed thousands of kids. Because the mothers who heard that lie, many of them didn't have their kids take either pertussis or measles vaccine, and their children are dead today. And so the people who go and engage in those anti-vaccine efforts -- you know, they, they kill children. It's a very sad thing, because these vaccines are important.

Should surveillance be usable for petty crimes like jaywalking or minor drug possession? Or is there a higher threshold for certain information? Those aren't easy questions.

Living on $6 a day means you have a refrigerator, a TV, a cell phone, your children can go to school. That's not possible on $1 a day.