Innovation is moving at a scarily fast pace.

You know, I'm a big believer in touch and digital reading, but I still think that some mixture of voice, the pen and a real keyboard - in other words a netbook - will be the mainstream on that.

Making sure all our students get a great education, find a career that's fulfilling and rewarding, and have a chance to live out their dreams ... wouldn't just make us a more successful country - it would also make us a more fair and just one.

Over time, yes, countries will need to look at specific GMO products like they look at drugs today, where they don't approve them all. They look hard at the safety and the testing. And they make sure that the benefits far outweigh any of the downsides.

When a country has the skill and self-confidence to take action against its biggest problems, it makes outsiders eager to be a part of it.

Africa is on the rise.

Skype actually does get a fair bit of revenue.