Often you have to rely on intuition.

Governments will always play a huge part in solving big problems. They set public policy and are uniquely able to provide the resources to make sure solutions reach everyone who needs them. They also fund basic research, which is a crucial component of the innovation that improves life for everyone.

In fact, that's where my vision of the coming digital opportunity is somewhat different from other people's. I divide it into three parts. One is the office. That's the one I'm most excited about and is the most concrete.

With the states release today of a set of clear and consistent academic standards, our nation is one step closer to supporting effective teaching in every classroom, charting a path to college and careers for all students, and developing the tools to help all children stay motivated and engaged in their own education. The more states that adopt these college and career based standards, the closer we will be to sharing innovation across state borders and becoming more competitive as a country.

I think Ebola is a great example of where the world really needs to come together. The three countries where this outbreak took place have had a lot of civil war, very weak health systems. And so, it did take a while for people to understand ....that eventually what we saw was a very unique Ebola epidemic. I think it is quite impressive what's being pulled together, and I think we will be able to get this under control.

Whenever you have multiple devices including multiple PCs that you want to share information with, it's always been a bit complicated.

An important re-engineering principle is that companies should focus on their core competence and outsource everything else.