North Korea aside, most authoritarian governments have already accepted the growth of the Internet culture as inevitable; they have little choice but to find ways to shape it in accord with their own narratives - or risk having their narratives shaped by others.

It's true that virtually all new technologies do trigger what sociologists would call 'moral panics,' that there are a lot of people who are concerned with the possible political and social consequences, and that this has been true throughout the ages.

The bigger the network, the harder it is to leave. Many users find it too daunting to start afresh on a new site, so they quietly consent to Facebook's privacy bullying.

The decentralized nature of online conversations often makes it easier to manipulate public opinion, both domestically and globally. Regimes that once relied on centralized systems of media control can now deliver ideological messages more subtly, with the help of little-known intermediaries like anonymous commenters on websites.

I think governments will increasingly be tempted to rely on Silicon Valley to solve problems like obesity or climate change because Silicon Valley runs the information infrastructure through which we consume information.

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.

You know, anyone who wears glasses, in one sense or another, is a cyborg.