Jean-Paul Sartre, the existentialist philosopher who celebrated the anguish of decision as a hallmark of responsibility, has no place in Silicon Valley.

I want my government to do something about my privacy - I don't want to just do it on my own.

Diplomacy is, perhaps, one element of the U.S. government that should not be subject to the demands of 'open government'; whenever it works, it is usually because it is done behind closed doors. But this may be increasingly hard to achieve in the age of Twittering bureaucrats.

When it is about technology, there is this tendency to just reject all criticism as being anti-technological and anti-modern. I think this is very unhealthy.

You actually see liberals checking 'Fox News,' if only to know what the conservatives are thinking. And you're seeing conservatives who venture into liberal sources, just to know what 'The New York Times' is thinking.

I'm active on Twitter, and I love my iPad and my Kindle.

We need to start seeing privacy as a commons - as some kind of a public good that can get depleted as too many people treat it carelessly or abandon it too eagerly. What is privacy for? This question needs an urgent answer.