In the past it would take you weeks, if not months, to identify how Iranian activists connect to each other. Now you know how they connect to each other by looking at their Facebook page. KGB ... used to torture in order to get this data.

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.

I'm not on Facebook. I have a sort of anonymous account that I check, like, once every six months every time Facebook rolls out a new feature.

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.

Surveillance cameras might reduce crime - even though the evidence here is mixed - but no studies show that they result in greater happiness of everyone involved.

I don't think love for technology itself breeds change.

As smart technologies become more intrusive, they risk undermining our autonomy by suppressing behaviors that someone somewhere has deemed undesirable.