There is this group of people who love innovation. Those people want to innovate, and they think the Internet is a wonderful tool for innovation, which is true. But you also have to remember that much of that innovation is constrained within the realities of the foreign policy.

The implications are clear: Facebook wants to build an Internet where watching films, listening to music, reading books and even browsing is done not just openly but socially and collaboratively.

The director of the FBI has been visiting Silicon Valley companies asking them to build back doors so that it can spy on what is being said online. The Department of Commerce is going after piracy. At home, the American government wants anything but Internet freedom.

I went to SXSW in 2011. God, that was awful. I mean, I only went because my publisher wanted me to promote the book and the organizers invited me and it seemed silly not to go, especially for a relatively unknown first-time author. This is just not my cup of tea; the fewer such events I do on an annual basis, the happier I feel.

If China's expansion into Africa and Russia's into Latin America and the former Soviet Union are any indication, Silicon Valley's ability to expand globally will be severely limited, if only because Beijing and Moscow have no qualms about blending politics and business.

As befits Silicon Valley, 'big data' is mostly big hype, but there is one possibility with genuine potential: that it might one day bring loans - and credit histories - to millions of people who currently lack access to them.

For many oppositional movements, the Internet, while providing the opportunity to distribute information more quickly and cheaper, may have actually made their struggle more difficult in the long run.