Sleephackers go to bed with sensors on their wrists and foreheads and maintain detailed electronic sleep diaries, which they often share online. To shift between sleep phases, sleephackers experiment with various diets, room and body temperatures, and kinds of pre-sleep physical exercise.

I spent two years in Palo Alto - what an awful, suffocating place for those of us who don't care about yoga, yogurts and start-ups - and now I have moved to Cambridge, MA - which, in many respects, is like Palo Alto but a bit snarkier.

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.

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.

This marketization of personal information is a big mistake.

In China, Internet surveillance has already become a profitable industry. In fact, a growing number of private firms eagerly assist the local police by aggregating this data and presenting it in easy-to-browse formats, allowing humans to pursue more analytical tasks.

It is easy to be seen as either a genius or a crank. If you have a Ph.D., at least you somewhat lower the chances that you will be seen as a crank.