The intersection of law, politics, and technology is going to force a lot of good thinking.

Well the protester I think is a very powerful thing. It's basically a mechanism of democracy that, along with capitalism, scientific innovation, those things have built the modern world. And it's wonderful that the new tools have empowered that protestor so that state secrets, bad developments are not hidden anymore.

The huge turnout for Live 8 here and around the world proves that thanks to the leadership from people like Tony Blair and Gordon Brown the world is beginning to demand more action on global health and poverty.

Security guys break the Mac every single day. Every single day, they come out with a total exploit, your machine can be taken over totally.

The potential financial reward for building the 'next Windows' is so great that there will never be a shortage of new technologies seeking to challenge it.

There's 20 companies that I have investments in - some batteries, some solar-thermal, one big nuclear thing. We need hundreds and hundreds of companies like that, so that in a 20-year time frame we really are starting to change the energy infrastructure.

Bioterrorism is like earthquakes, you should think in order of magnitudes. If you can kill 10 people that's a one, 100 people that's a two... Bioterrorism is the thing that can give you not just sixes, but sevens, eights and nines.