Dictators aren't stupid, or regimes could be toppled easily by young people mobilizing on Facebook.

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.

Cybercriminals are usually driven by profit, while cyberterrorists are driven by ideology.

One possible future for WikiLeaks is to morph into a gigantic media intermediary - perhaps, even something of a clearing house for investigative reporting - where even low-level leaks would be matched with the appropriate journalists to pursue and report on them and, perhaps, even with appropriate NGOs to advocate on their causes.

In Google's world, public space is just something that stands between your house and the well-reviewed restaurant that you are dying to get to.

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.

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.