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

You have to be willing to see that sometimes the governments of these poor countries don't come through. You have to think about that as a constraint. How do you help them be better? How do you come up with things that actually work, even in those tough situations.

There's always been a lot of information about your activities. Every phone number you dial, every credit-card charge you make. It's long since passed that a typical person doesn't leave footprints.

I get more spam than anyone I know.

We’re no longer in the days where every program is super well crafted. But at the heart of the programs that make it to the top, you’ll find that the key internal code was done by a few people who really knew what they were doing.

Apple has always leveraged technologies that the PC industry has driven to critical mass - the bus structures, the graphics cards, the peripherals, the connection networks, things like that - so they're kind of in the PC ecosystem and kind of not.

I think the thing we see is that as people are using video games more, they tend to watch passive TV a bit less. And so using the PC for the Internet, playing video games, is starting to cut into the rather unbelievable amount of time people spend watching TV.