As you get to the end of the project you want to run all the tests cases against one version and make sure that you know that that version passed everything. And so as you get late in the project you get a little more conservative about making radical changes to the software.

The need to communicate effectively with your customers will come up again and again.

Kenya’s M-Pesa proves that when people are empowered, they will use digital tech to innovate on their own behalf.

The kids are a big part of my schedule.

Kids are taking PCs and the Internet to new heights. They're the ones that are designing the cutting-edge web sites.

I think when smallpox was eliminated, the whole world got pretty excited about that because it’s just such a dramatic success.

Microsoft has had its success by doing low-cost products and constantly improving those products and we've really redefined the IT industry to be something that's about a tool for individuals.