As economic life relies more and more on the Internet, the potential for small bands of hackers to launch devastating attacks on the world economy is growing.

Creative experimentation propels our culture forward. That our stories of innovation tend to glorify the breakthroughs and edit out all the experimental mistakes doesn't mean that mistakes play a trivial role. As any artist or scientist knows, without some protected, even sacred space for mistakes, innovation would cease.

There is this absurd assumption that the revitalisation of the public sphere is always a good thing. I think people tend to confuse 'civic' and 'civil,' and they believe that everything that is done by citizens is necessarily a good thing because you build a network, an association.

Much of the real computer talent today is concentrated in the private sector.

I used to work for an NGO called Transitions Online, and I was their Director of New Media. I was a very idealistic fellow who thought that he could use blogs, social networks and new media to help promote democracy, human rights and freedom of expression.

The Egyptian experience suggests that social media can greatly accelerate the death of already dying authoritarian regimes.

When someone at the State Department proclaims Facebook to be the most organic tool for promoting democracy the world has ever seen - that's a direct quote - it may help in the short run by getting more people onto Facebook by making it more popular with dissidents.