Eradications are special. Zero is a magic number. You either do what it takes to get to zero and you're glad you did it; or you get close, give up and it goes back to where it was before, in which case you wasted all that credibility, activity, money that could have been applied to other things.

The thing about HD-DVD that is attractive to Microsoft is that it's very pro-consumer in letting you copy all movies up onto the hard disk.

People care a lot that the USA is well run, and people globally expect us to do things in upgrading science and more.

Vaccines are extremely well tested; their safety is well understood. The false allegations about vaccines causing autism have been disproven. But there are still echoes out there confusing people.

The barrier to change is not too little caring; it is too much complexity.

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

I'm a great believer that any tool that enhances communication has profound effects in terms of how people can learn from each other, and how they can achieve the kind of freedoms that they're interested in.