In reality, quitting Facebook is much more problematic than the company's executives suggest, if only because users cannot extract all the intangible social capital they have generated on the site and export it elsewhere.

We've never thought too deeply about the roles things like forgetting or partisanship or inefficiency or ambiguity or hypocrisy play in our political or social life. It's been impossible to get rid of them, so we took them for granted, and we kind of thought, naively, that they're always the enemy.

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.

A lot of the geeks in Silicon Valley will tell you they no longer believe in the ability of policymakers in Washington to accomplish anything. They don't understand why people end up in politics; they would do much more good for the world if they worked at Google or Facebook.

The message I'm trying to send is that technology is political, and that many decisions that look like decisions about technology actually are not at all about technology - they are about politics, and they need to be scrutinized as closely as we would scrutinize decisions about politics.

In the past it would take you weeks, if not months, to identify how Iranian activists connect to each other. Now you know how they connect to each other by looking at their Facebook page. KGB ... used to torture in order to get this data.

I have no problem with technological solutions to social problems. The key question for me is, 'Who gets to implement them?' and, 'What kinds of politics of reform do technological solutions smuggle through the back door?'